Home / 1,121,196,454.12-1,536,013,466.33-1,079,277,524.20

Finding the Fourth Proportional to 1,121,196,454.12, 1,536,013,466.33 and 1,079,277,524.20

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Solution

The fourth proportional to 1,121,196,454.12, 1,536,013,466.33 and 1,079,277,524.20 is: 1,478,585,492.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,196,454.12 : 1,536,013,466.33 = 1,079,277,524.20 : x
  2. Step 2: Convert to fraction form
    1,121,196,454.12/1,536,013,466.33 = 1,079,277,524.20/x
  3. Step 3: Cross multiply
    1,121,196,454.12x = 1,536,013,466.33 × 1,079,277,524.20
  4. Step 4: Simplify right side
    1,121,196,454.12x = 1,657,784,811,078,502,400
  5. Step 5: Solve for x
    x = 1,657,784,811,078,502,400/1,121,196,454.12
  6. Step 6: Final answer
    x = 1,478,585,492.30

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Half scale
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Double scale
Find fourth proportional to 1,121,196,455.12, 1,536,013,467.70 and 1,079,277,525.20
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.