Home / 890,501,431.98-1,335,762,430.10-268,722,048.18

Finding the Fourth Proportional to 890,501,431.98, 1,335,762,430.10 and 268,722,048.18

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Solution

The fourth proportional to 890,501,431.98, 1,335,762,430.10 and 268,722,048.18 is: 403,086,175.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,501,431.98 : 1,335,762,430.10 = 268,722,048.18 : x
  2. Step 2: Convert to fraction form
    890,501,431.98/1,335,762,430.10 = 268,722,048.18/x
  3. Step 3: Cross multiply
    890,501,431.98x = 1,335,762,430.10 × 268,722,048.18
  4. Step 4: Simplify right side
    890,501,431.98x = 358,948,816,098,366,080
  5. Step 5: Solve for x
    x = 358,948,816,098,366,080/890,501,431.98
  6. Step 6: Final answer
    x = 403,086,175.06

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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.