Home / 861,059,758.01-1,188,629,767.17-578,965,708.35

Finding the Fourth Proportional to 861,059,758.01, 1,188,629,767.17 and 578,965,708.35

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Solution

The fourth proportional to 861,059,758.01, 1,188,629,767.17 and 578,965,708.35 is: 799,219,646.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,059,758.01 : 1,188,629,767.17 = 578,965,708.35 : x
  2. Step 2: Convert to fraction form
    861,059,758.01/1,188,629,767.17 = 578,965,708.35/x
  3. Step 3: Cross multiply
    861,059,758.01x = 1,188,629,767.17 × 578,965,708.35
  4. Step 4: Simplify right side
    861,059,758.01x = 688,175,875,115,474,688
  5. Step 5: Solve for x
    x = 688,175,875,115,474,688/861,059,758.01
  6. Step 6: Final answer
    x = 799,219,646.16

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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.