Home / 5,280,876,082.30-7,921,314,123.45-1,403,482,546.30

Finding the Fourth Proportional to 5,280,876,082.30, 7,921,314,123.45 and 1,403,482,546.30

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Solution

The fourth proportional to 5,280,876,082.30, 7,921,314,123.45 and 1,403,482,546.30 is: 2,105,223,819.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280,876,082.30 : 7,921,314,123.45 = 1,403,482,546.30 : x
  2. Step 2: Convert to fraction form
    5,280,876,082.30/7,921,314,123.45 = 1,403,482,546.30/x
  3. Step 3: Cross multiply
    5,280,876,082.30x = 7,921,314,123.45 × 1,403,482,546.30
  4. Step 4: Simplify right side
    5,280,876,082.30x = 11,117,426,116,021,757,952
  5. Step 5: Solve for x
    x = 11,117,426,116,021,757,952/5,280,876,082.30
  6. Step 6: Final answer
    x = 2,105,223,819.45

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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.