Home / 531,926,999.10-797,890,498.65-287,038,986.30

Finding the Fourth Proportional to 531,926,999.10, 797,890,498.65 and 287,038,986.30

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Solution

The fourth proportional to 531,926,999.10, 797,890,498.65 and 287,038,986.30 is: 430,558,479.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,926,999.10 : 797,890,498.65 = 287,038,986.30 : x
  2. Step 2: Convert to fraction form
    531,926,999.10/797,890,498.65 = 287,038,986.30/x
  3. Step 3: Cross multiply
    531,926,999.10x = 797,890,498.65 × 287,038,986.30
  4. Step 4: Simplify right side
    531,926,999.10x = 229,025,679,910,897,536
  5. Step 5: Solve for x
    x = 229,025,679,910,897,536/531,926,999.10
  6. Step 6: Final answer
    x = 430,558,479.45

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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.