Home / 898,946,531.20-1,347,872,366.40-353,034,006.40

Finding the Fourth Proportional to 898,946,531.20, 1,347,872,366.40 and 353,034,006.40

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Solution

The fourth proportional to 898,946,531.20, 1,347,872,366.40 and 353,034,006.40 is: 529,336,022.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,946,531.20 : 1,347,872,366.40 = 353,034,006.40 : x
  2. Step 2: Convert to fraction form
    898,946,531.20/1,347,872,366.40 = 353,034,006.40/x
  3. Step 3: Cross multiply
    898,946,531.20x = 1,347,872,366.40 × 353,034,006.40
  4. Step 4: Simplify right side
    898,946,531.20x = 475,844,781,626,040,768
  5. Step 5: Solve for x
    x = 475,844,781,626,040,768/898,946,531.20
  6. Step 6: Final answer
    x = 529,336,022.90

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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.