Home / 409,867,938.29-614,801,425.59-133,518,700.31

Finding the Fourth Proportional to 409,867,938.29, 614,801,425.59 and 133,518,700.31

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Solution

The fourth proportional to 409,867,938.29, 614,801,425.59 and 133,518,700.31 is: 200,277,893.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,867,938.29 : 614,801,425.59 = 133,518,700.31 : x
  2. Step 2: Convert to fraction form
    409,867,938.29/614,801,425.59 = 133,518,700.31/x
  3. Step 3: Cross multiply
    409,867,938.29x = 614,801,425.59 × 133,518,700.31
  4. Step 4: Simplify right side
    409,867,938.29x = 82,087,487,290,437,984
  5. Step 5: Solve for x
    x = 82,087,487,290,437,984/409,867,938.29
  6. Step 6: Final answer
    x = 200,277,893.49

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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.