Home / 1,412,309,615.40-2,118,464,423.10-442,959,676.20

Finding the Fourth Proportional to 1,412,309,615.40, 2,118,464,423.10 and 442,959,676.20

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Solution

The fourth proportional to 1,412,309,615.40, 2,118,464,423.10 and 442,959,676.20 is: 664,439,514.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,309,615.40 : 2,118,464,423.10 = 442,959,676.20 : x
  2. Step 2: Convert to fraction form
    1,412,309,615.40/2,118,464,423.10 = 442,959,676.20/x
  3. Step 3: Cross multiply
    1,412,309,615.40x = 2,118,464,423.10 × 442,959,676.20
  4. Step 4: Simplify right side
    1,412,309,615.40x = 938,394,314,897,595,776
  5. Step 5: Solve for x
    x = 938,394,314,897,595,776/1,412,309,615.40
  6. Step 6: Final answer
    x = 664,439,514.30

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Half scale
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Double scale
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Similar ratio
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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.