Home / 1,009,560,701.70-1,514,482,770.15-319,395,989.70

Finding the Fourth Proportional to 1,009,560,701.70, 1,514,482,770.15 and 319,395,989.70

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Solution

The fourth proportional to 1,009,560,701.70, 1,514,482,770.15 and 319,395,989.70 is: 479,138,819.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,560,701.70 : 1,514,482,770.15 = 319,395,989.70 : x
  2. Step 2: Convert to fraction form
    1,009,560,701.70/1,514,482,770.15 = 319,395,989.70/x
  3. Step 3: Cross multiply
    1,009,560,701.70x = 1,514,482,770.15 × 319,395,989.70
  4. Step 4: Simplify right side
    1,009,560,701.70x = 483,719,723,255,656,896
  5. Step 5: Solve for x
    x = 483,719,723,255,656,896/1,009,560,701.70
  6. Step 6: Final answer
    x = 479,138,819.93

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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.