Home / 1,281,744,006.30-1,922,616,009.45-850,922,502.30

Finding the Fourth Proportional to 1,281,744,006.30, 1,922,616,009.45 and 850,922,502.30

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Solution

The fourth proportional to 1,281,744,006.30, 1,922,616,009.45 and 850,922,502.30 is: 1,276,383,753.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,744,006.30 : 1,922,616,009.45 = 850,922,502.30 : x
  2. Step 2: Convert to fraction form
    1,281,744,006.30/1,922,616,009.45 = 850,922,502.30/x
  3. Step 3: Cross multiply
    1,281,744,006.30x = 1,922,616,009.45 × 850,922,502.30
  4. Step 4: Simplify right side
    1,281,744,006.30x = 1,635,997,225,723,234,304
  5. Step 5: Solve for x
    x = 1,635,997,225,723,234,304/1,281,744,006.30
  6. Step 6: Final answer
    x = 1,276,383,753.45

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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.