Home / 1,199,765,850.60-1,799,648,775.90-618,635,117.10

Finding the Fourth Proportional to 1,199,765,850.60, 1,799,648,775.90 and 618,635,117.10

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Solution

The fourth proportional to 1,199,765,850.60, 1,799,648,775.90 and 618,635,117.10 is: 927,952,675.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,765,850.60 : 1,799,648,775.90 = 618,635,117.10 : x
  2. Step 2: Convert to fraction form
    1,199,765,850.60/1,799,648,775.90 = 618,635,117.10/x
  3. Step 3: Cross multiply
    1,199,765,850.60x = 1,799,648,775.90 × 618,635,117.10
  4. Step 4: Simplify right side
    1,199,765,850.60x = 1,113,325,931,217,768,320
  5. Step 5: Solve for x
    x = 1,113,325,931,217,768,320/1,199,765,850.60
  6. Step 6: Final answer
    x = 927,952,675.65

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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.