Home / 749,088,000.30-1,123,632,000.45-543,652,301.10

Finding the Fourth Proportional to 749,088,000.30, 1,123,632,000.45 and 543,652,301.10

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Solution

The fourth proportional to 749,088,000.30, 1,123,632,000.45 and 543,652,301.10 is: 815,478,451.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,088,000.30 : 1,123,632,000.45 = 543,652,301.10 : x
  2. Step 2: Convert to fraction form
    749,088,000.30/1,123,632,000.45 = 543,652,301.10/x
  3. Step 3: Cross multiply
    749,088,000.30x = 1,123,632,000.45 × 543,652,301.10
  4. Step 4: Simplify right side
    749,088,000.30x = 610,865,122,634,238,848
  5. Step 5: Solve for x
    x = 610,865,122,634,238,848/749,088,000.30
  6. Step 6: Final answer
    x = 815,478,451.65

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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.