Home / 743,433,711.30-1,025,939,047.91-408,931,683.57

Finding the Fourth Proportional to 743,433,711.30, 1,025,939,047.91 and 408,931,683.57

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Solution

The fourth proportional to 743,433,711.30, 1,025,939,047.91 and 408,931,683.57 is: 564,326,012.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,433,711.30 : 1,025,939,047.91 = 408,931,683.57 : x
  2. Step 2: Convert to fraction form
    743,433,711.30/1,025,939,047.91 = 408,931,683.57/x
  3. Step 3: Cross multiply
    743,433,711.30x = 1,025,939,047.91 × 408,931,683.57
  4. Step 4: Simplify right side
    743,433,711.30x = 419,538,982,099,994,496
  5. Step 5: Solve for x
    x = 419,538,982,099,994,496/743,433,711.30
  6. Step 6: Final answer
    x = 564,326,012.83

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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.