Home / 1,306,367,008.76-1,802,785,677.30-719,656,144.76

Finding the Fourth Proportional to 1,306,367,008.76, 1,802,785,677.30 and 719,656,144.76

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Solution

The fourth proportional to 1,306,367,008.76, 1,802,785,677.30 and 719,656,144.76 is: 993,125,041.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,367,008.76 : 1,802,785,677.30 = 719,656,144.76 : x
  2. Step 2: Convert to fraction form
    1,306,367,008.76/1,802,785,677.30 = 719,656,144.76/x
  3. Step 3: Cross multiply
    1,306,367,008.76x = 1,802,785,677.30 × 719,656,144.76
  4. Step 4: Simplify right side
    1,306,367,008.76x = 1,297,385,790,358,770,432
  5. Step 5: Solve for x
    x = 1,297,385,790,358,770,432/1,306,367,008.76
  6. Step 6: Final answer
    x = 993,125,041.93

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Half scale
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Double scale
Find fourth proportional to 1,306,367,009.76, 1,802,785,678.68 and 719,656,145.76
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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.