Home / 1,631,935,439.10-2,252,150,753.49-917,695,780.74

Finding the Fourth Proportional to 1,631,935,439.10, 2,252,150,753.49 and 917,695,780.74

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Solution

The fourth proportional to 1,631,935,439.10, 2,252,150,753.49 and 917,695,780.74 is: 1,266,465,078.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631,935,439.10 : 2,252,150,753.49 = 917,695,780.74 : x
  2. Step 2: Convert to fraction form
    1,631,935,439.10/2,252,150,753.49 = 917,695,780.74/x
  3. Step 3: Cross multiply
    1,631,935,439.10x = 2,252,150,753.49 × 917,695,780.74
  4. Step 4: Simplify right side
    1,631,935,439.10x = 2,066,789,244,068,184,576
  5. Step 5: Solve for x
    x = 2,066,789,244,068,184,576/1,631,935,439.10
  6. Step 6: Final answer
    x = 1,266,465,078.55

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Double scale
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1.5x scale

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.