Home / 993,011,862.60-1,490,189,640.30-447,472,585.80

Finding the Fourth Proportional to 993,011,862.60, 1,490,189,640.30 and 447,472,585.80

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Solution

The fourth proportional to 993,011,862.60, 1,490,189,640.30 and 447,472,585.80 is: 671,511,627.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,011,862.60 : 1,490,189,640.30 = 447,472,585.80 : x
  2. Step 2: Convert to fraction form
    993,011,862.60/1,490,189,640.30 = 447,472,585.80/x
  3. Step 3: Cross multiply
    993,011,862.60x = 1,490,189,640.30 × 447,472,585.80
  4. Step 4: Simplify right side
    993,011,862.60x = 666,819,011,677,412,864
  5. Step 5: Solve for x
    x = 666,819,011,677,412,864/993,011,862.60
  6. Step 6: Final answer
    x = 671,511,627.19

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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.