Home / 782,890,505.46-1,174,793,683.19-291,942,947.70

Finding the Fourth Proportional to 782,890,505.46, 1,174,793,683.19 and 291,942,947.70

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Solution

The fourth proportional to 782,890,505.46, 1,174,793,683.19 and 291,942,947.70 is: 438,085,183.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,890,505.46 : 1,174,793,683.19 = 291,942,947.70 : x
  2. Step 2: Convert to fraction form
    782,890,505.46/1,174,793,683.19 = 291,942,947.70/x
  3. Step 3: Cross multiply
    782,890,505.46x = 1,174,793,683.19 × 291,942,947.70
  4. Step 4: Simplify right side
    782,890,505.46x = 342,972,730,808,368,768
  5. Step 5: Solve for x
    x = 342,972,730,808,368,768/782,890,505.46
  6. Step 6: Final answer
    x = 438,085,183.58

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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.