Home / 531,442,381.40-797,163,572.10-497,430,157.40

Finding the Fourth Proportional to 531,442,381.40, 797,163,572.10 and 497,430,157.40

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Solution

The fourth proportional to 531,442,381.40, 797,163,572.10 and 497,430,157.40 is: 746,145,236.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,442,381.40 : 797,163,572.10 = 497,430,157.40 : x
  2. Step 2: Convert to fraction form
    531,442,381.40/797,163,572.10 = 497,430,157.40/x
  3. Step 3: Cross multiply
    531,442,381.40x = 797,163,572.10 × 497,430,157.40
  4. Step 4: Simplify right side
    531,442,381.40x = 396,533,201,143,249,216
  5. Step 5: Solve for x
    x = 396,533,201,143,249,216/531,442,381.40
  6. Step 6: Final answer
    x = 746,145,236.10

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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.