Home / 485,112,032.10-727,668,048.15-193,835,124.90

Finding the Fourth Proportional to 485,112,032.10, 727,668,048.15 and 193,835,124.90

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Solution

The fourth proportional to 485,112,032.10, 727,668,048.15 and 193,835,124.90 is: 290,752,687.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,112,032.10 : 727,668,048.15 = 193,835,124.90 : x
  2. Step 2: Convert to fraction form
    485,112,032.10/727,668,048.15 = 193,835,124.90/x
  3. Step 3: Cross multiply
    485,112,032.10x = 727,668,048.15 × 193,835,124.90
  4. Step 4: Simplify right side
    485,112,032.10x = 141,047,626,998,894,464
  5. Step 5: Solve for x
    x = 141,047,626,998,894,464/485,112,032.10
  6. Step 6: Final answer
    x = 290,752,687.35

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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.