Home / 1,112,118,330.80-1,534,723,300.10-617,160,689.84

Finding the Fourth Proportional to 1,112,118,330.80, 1,534,723,300.10 and 617,160,689.84

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Solution

The fourth proportional to 1,112,118,330.80, 1,534,723,300.10 and 617,160,689.84 is: 851,681,753.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,118,330.80 : 1,534,723,300.10 = 617,160,689.84 : x
  2. Step 2: Convert to fraction form
    1,112,118,330.80/1,534,723,300.10 = 617,160,689.84/x
  3. Step 3: Cross multiply
    1,112,118,330.80x = 1,534,723,300.10 × 617,160,689.84
  4. Step 4: Simplify right side
    1,112,118,330.80x = 947,170,890,603,237,376
  5. Step 5: Solve for x
    x = 947,170,890,603,237,376/1,112,118,330.80
  6. Step 6: Final answer
    x = 851,681,753.97

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Double scale
Find fourth proportional to 1,112,118,331.80, 1,534,723,301.48 and 617,160,690.84
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.