Home / 654,985,490.40-982,194,800.40-266,679,266.40

Finding the Fourth Proportional to 654,985,490.40, 982,194,800.40 and 266,679,266.40

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Solution

The fourth proportional to 654,985,490.40, 982,194,800.40 and 266,679,266.40 is: 399,903,498.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,985,490.40 : 982,194,800.40 = 266,679,266.40 : x
  2. Step 2: Convert to fraction form
    654,985,490.40/982,194,800.40 = 266,679,266.40/x
  3. Step 3: Cross multiply
    654,985,490.40x = 982,194,800.40 × 266,679,266.40
  4. Step 4: Simplify right side
    654,985,490.40x = 261,930,988,832,566,432
  5. Step 5: Solve for x
    x = 261,930,988,832,566,432/654,985,490.40
  6. Step 6: Final answer
    x = 399,903,498.13

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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.