Home / 849,416,254.26-1,272,826,439.79-572,041,843.62

Finding the Fourth Proportional to 849,416,254.26, 1,272,826,439.79 and 572,041,843.62

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Solution

The fourth proportional to 849,416,254.26, 1,272,826,439.79 and 572,041,843.62 is: 857,188,662.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,416,254.26 : 1,272,826,439.79 = 572,041,843.62 : x
  2. Step 2: Convert to fraction form
    849,416,254.26/1,272,826,439.79 = 572,041,843.62/x
  3. Step 3: Cross multiply
    849,416,254.26x = 1,272,826,439.79 × 572,041,843.62
  4. Step 4: Simplify right side
    849,416,254.26x = 728,109,983,225,752,448
  5. Step 5: Solve for x
    x = 728,109,983,225,752,448/849,416,254.26
  6. Step 6: Final answer
    x = 857,188,662.89

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Double scale
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1.5x scale

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.