Home / 849,416,253.76-1,272,826,439.04-572,041,843.12

Finding the Fourth Proportional to 849,416,253.76, 1,272,826,439.04 and 572,041,843.12

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Solution

The fourth proportional to 849,416,253.76, 1,272,826,439.04 and 572,041,843.12 is: 857,188,662.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,416,253.76 : 1,272,826,439.04 = 572,041,843.12 : x
  2. Step 2: Convert to fraction form
    849,416,253.76/1,272,826,439.04 = 572,041,843.12/x
  3. Step 3: Cross multiply
    849,416,253.76x = 1,272,826,439.04 × 572,041,843.12
  4. Step 4: Simplify right side
    849,416,253.76x = 728,109,982,160,307,968
  5. Step 5: Solve for x
    x = 728,109,982,160,307,968/849,416,253.76
  6. Step 6: Final answer
    x = 857,188,662.14

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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.