Home / 1,379,217,789.54-1,903,360,901.13-752,726,399.94

Finding the Fourth Proportional to 1,379,217,789.54, 1,903,360,901.13 and 752,726,399.94

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Solution

The fourth proportional to 1,379,217,789.54, 1,903,360,901.13 and 752,726,399.94 is: 1,038,784,454.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,217,789.54 : 1,903,360,901.13 = 752,726,399.94 : x
  2. Step 2: Convert to fraction form
    1,379,217,789.54/1,903,360,901.13 = 752,726,399.94/x
  3. Step 3: Cross multiply
    1,379,217,789.54x = 1,903,360,901.13 × 752,726,399.94
  4. Step 4: Simplify right side
    1,379,217,789.54x = 1,432,709,998,894,139,392
  5. Step 5: Solve for x
    x = 1,432,709,998,894,139,392/1,379,217,789.54
  6. Step 6: Final answer
    x = 1,038,784,454.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.