Home / 1,191,490,446.29-1,644,271,691.59-655,703,753.81

Finding the Fourth Proportional to 1,191,490,446.29, 1,644,271,691.59 and 655,703,753.81

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Solution

The fourth proportional to 1,191,490,446.29, 1,644,271,691.59 and 655,703,753.81 is: 904,879,366.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,490,446.29 : 1,644,271,691.59 = 655,703,753.81 : x
  2. Step 2: Convert to fraction form
    1,191,490,446.29/1,644,271,691.59 = 655,703,753.81/x
  3. Step 3: Cross multiply
    1,191,490,446.29x = 1,644,271,691.59 × 655,703,753.81
  4. Step 4: Simplify right side
    1,191,490,446.29x = 1,078,155,120,460,372,736
  5. Step 5: Solve for x
    x = 1,078,155,120,460,372,736/1,191,490,446.29
  6. Step 6: Final answer
    x = 904,879,366.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.