Home / 1,235,864,882.92-1,705,494,227.24-678,983,802.24

Finding the Fourth Proportional to 1,235,864,882.92, 1,705,494,227.24 and 678,983,802.24

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Solution

The fourth proportional to 1,235,864,882.92, 1,705,494,227.24 and 678,983,802.24 is: 936,998,025.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,864,882.92 : 1,705,494,227.24 = 678,983,802.24 : x
  2. Step 2: Convert to fraction form
    1,235,864,882.92/1,705,494,227.24 = 678,983,802.24/x
  3. Step 3: Cross multiply
    1,235,864,882.92x = 1,705,494,227.24 × 678,983,802.24
  4. Step 4: Simplify right side
    1,235,864,882.92x = 1,158,002,955,109,785,856
  5. Step 5: Solve for x
    x = 1,158,002,955,109,785,856/1,235,864,882.92
  6. Step 6: Final answer
    x = 936,998,025.52

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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.