Home / 531,442,376.40-797,163,564.60-497,430,152.40

Finding the Fourth Proportional to 531,442,376.40, 797,163,564.60 and 497,430,152.40

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Solution

The fourth proportional to 531,442,376.40, 797,163,564.60 and 497,430,152.40 is: 746,145,228.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,442,376.40 : 797,163,564.60 = 497,430,152.40 : x
  2. Step 2: Convert to fraction form
    531,442,376.40/797,163,564.60 = 497,430,152.40/x
  3. Step 3: Cross multiply
    531,442,376.40x = 797,163,564.60 × 497,430,152.40
  4. Step 4: Simplify right side
    531,442,376.40x = 396,533,193,426,705,216
  5. Step 5: Solve for x
    x = 396,533,193,426,705,216/531,442,376.40
  6. Step 6: Final answer
    x = 746,145,228.60

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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.