Home / 415,098,605.88-572,842,881.74-247,849,482.30

Finding the Fourth Proportional to 415,098,605.88, 572,842,881.74 and 247,849,482.30

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Solution

The fourth proportional to 415,098,605.88, 572,842,881.74 and 247,849,482.30 is: 342,036,349.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,098,605.88 : 572,842,881.74 = 247,849,482.30 : x
  2. Step 2: Convert to fraction form
    415,098,605.88/572,842,881.74 = 247,849,482.30/x
  3. Step 3: Cross multiply
    415,098,605.88x = 572,842,881.74 × 247,849,482.30
  4. Step 4: Simplify right side
    415,098,605.88x = 141,978,811,678,499,136
  5. Step 5: Solve for x
    x = 141,978,811,678,499,136/415,098,605.88
  6. Step 6: Final answer
    x = 342,036,349.12

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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.