Home / 488,570,641.56-732,855,495.78-125,064,414.36

Finding the Fourth Proportional to 488,570,641.56, 732,855,495.78 and 125,064,414.36

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Solution

The fourth proportional to 488,570,641.56, 732,855,495.78 and 125,064,414.36 is: 187,596,502.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,570,641.56 : 732,855,495.78 = 125,064,414.36 : x
  2. Step 2: Convert to fraction form
    488,570,641.56/732,855,495.78 = 125,064,414.36/x
  3. Step 3: Cross multiply
    488,570,641.56x = 732,855,495.78 × 125,064,414.36
  4. Step 4: Simplify right side
    488,570,641.56x = 91,654,143,390,233,152
  5. Step 5: Solve for x
    x = 91,654,143,390,233,152/488,570,641.56
  6. Step 6: Final answer
    x = 187,596,502.11

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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.