Home / 405,661,248.29-559,812,559.55-229,445,451.02

Finding the Fourth Proportional to 405,661,248.29, 559,812,559.55 and 229,445,451.02

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Solution

The fourth proportional to 405,661,248.29, 559,812,559.55 and 229,445,451.02 is: 316,634,743.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,661,248.29 : 559,812,559.55 = 229,445,451.02 : x
  2. Step 2: Convert to fraction form
    405,661,248.29/559,812,559.55 = 229,445,451.02/x
  3. Step 3: Cross multiply
    405,661,248.29x = 559,812,559.55 × 229,445,451.02
  4. Step 4: Simplify right side
    405,661,248.29x = 128,446,445,212,862,656
  5. Step 5: Solve for x
    x = 128,446,445,212,862,656/405,661,248.29
  6. Step 6: Final answer
    x = 316,634,743.28

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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.