Home / 738,123,246.90-1,106,429,043.15-431,257,403.70

Finding the Fourth Proportional to 738,123,246.90, 1,106,429,043.15 and 431,257,403.70

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Solution

The fourth proportional to 738,123,246.90, 1,106,429,043.15 and 431,257,403.70 is: 646,444,504.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,123,246.90 : 1,106,429,043.15 = 431,257,403.70 : x
  2. Step 2: Convert to fraction form
    738,123,246.90/1,106,429,043.15 = 431,257,403.70/x
  3. Step 3: Cross multiply
    738,123,246.90x = 1,106,429,043.15 × 431,257,403.70
  4. Step 4: Simplify right side
    738,123,246.90x = 477,155,716,527,144,320
  5. Step 5: Solve for x
    x = 477,155,716,527,144,320/738,123,246.90
  6. Step 6: Final answer
    x = 646,444,504.40

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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.