Home / 739,262,700.64-1,020,190,589.04-409,243,350.88

Finding the Fourth Proportional to 739,262,700.64, 1,020,190,589.04 and 409,243,350.88

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Solution

The fourth proportional to 739,262,700.64, 1,020,190,589.04 and 409,243,350.88 is: 564,760,287.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,262,700.64 : 1,020,190,589.04 = 409,243,350.88 : x
  2. Step 2: Convert to fraction form
    739,262,700.64/1,020,190,589.04 = 409,243,350.88/x
  3. Step 3: Cross multiply
    739,262,700.64x = 1,020,190,589.04 × 409,243,350.88
  4. Step 4: Simplify right side
    739,262,700.64x = 417,506,215,194,970,560
  5. Step 5: Solve for x
    x = 417,506,215,194,970,560/739,262,700.64
  6. Step 6: Final answer
    x = 564,760,287.29

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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.