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Finding the Fourth Proportional to 497,666,429.60, 746,499,644.40 and 304,174,666.40

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Solution

The fourth proportional to 497,666,429.60, 746,499,644.40 and 304,174,666.40 is: 456,261,999.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,666,429.60 : 746,499,644.40 = 304,174,666.40 : x
  2. Step 2: Convert to fraction form
    497,666,429.60/746,499,644.40 = 304,174,666.40/x
  3. Step 3: Cross multiply
    497,666,429.60x = 746,499,644.40 × 304,174,666.40
  4. Step 4: Simplify right side
    497,666,429.60x = 227,066,280,303,088,608
  5. Step 5: Solve for x
    x = 227,066,280,303,088,608/497,666,429.60
  6. Step 6: Final answer
    x = 456,261,999.60

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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.