Home / 690,439,729.38-953,033,890.41-549,569,350.50

Finding the Fourth Proportional to 690,439,729.38, 953,033,890.41 and 549,569,350.50

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Solution

The fourth proportional to 690,439,729.38, 953,033,890.41 and 549,569,350.50 is: 758,586,439.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,439,729.38 : 953,033,890.41 = 549,569,350.50 : x
  2. Step 2: Convert to fraction form
    690,439,729.38/953,033,890.41 = 549,569,350.50/x
  3. Step 3: Cross multiply
    690,439,729.38x = 953,033,890.41 × 549,569,350.50
  4. Step 4: Simplify right side
    690,439,729.38x = 523,758,216,157,111,872
  5. Step 5: Solve for x
    x = 523,758,216,157,111,872/690,439,729.38
  6. Step 6: Final answer
    x = 758,586,439.73

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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.