Home / 10,208,349,016.70-15,312,523,525.05-8,575,762,264.70

Finding the Fourth Proportional to 10,208,349,016.70, 15,312,523,525.05 and 8,575,762,264.70

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Solution

The fourth proportional to 10,208,349,016.70, 15,312,523,525.05 and 8,575,762,264.70 is: 12,863,643,397.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,208,349,016.70 : 15,312,523,525.05 = 8,575,762,264.70 : x
  2. Step 2: Convert to fraction form
    10,208,349,016.70/15,312,523,525.05 = 8,575,762,264.70/x
  3. Step 3: Cross multiply
    10,208,349,016.70x = 15,312,523,525.05 × 8,575,762,264.70
  4. Step 4: Simplify right side
    10,208,349,016.70x = 131,316,561,423,454,797,824
  5. Step 5: Solve for x
    x = 131,316,561,423,454,797,824/10,208,349,016.70
  6. Step 6: Final answer
    x = 12,863,643,397.05

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Double scale
Find fourth proportional to 10,208,349,017.70, 15,312,523,526.55 and 8,575,762,265.70
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.