Home / 531,139,254.19-732,972,876.87-292,979,066.35

Finding the Fourth Proportional to 531,139,254.19, 732,972,876.87 and 292,979,066.35

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Solution

The fourth proportional to 531,139,254.19, 732,972,876.87 and 292,979,066.35 is: 404,311,501.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,139,254.19 : 732,972,876.87 = 292,979,066.35 : x
  2. Step 2: Convert to fraction form
    531,139,254.19/732,972,876.87 = 292,979,066.35/x
  3. Step 3: Cross multiply
    531,139,254.19x = 732,972,876.87 × 292,979,066.35
  4. Step 4: Simplify right side
    531,139,254.19x = 214,745,709,125,246,144
  5. Step 5: Solve for x
    x = 214,745,709,125,246,144/531,139,254.19
  6. Step 6: Final answer
    x = 404,311,501.04

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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.