Home / 1,008,064,291.60-1,512,096,437.40-803,990,947.60

Finding the Fourth Proportional to 1,008,064,291.60, 1,512,096,437.40 and 803,990,947.60

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Solution

The fourth proportional to 1,008,064,291.60, 1,512,096,437.40 and 803,990,947.60 is: 1,205,986,421.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,064,291.60 : 1,512,096,437.40 = 803,990,947.60 : x
  2. Step 2: Convert to fraction form
    1,008,064,291.60/1,512,096,437.40 = 803,990,947.60/x
  3. Step 3: Cross multiply
    1,008,064,291.60x = 1,512,096,437.40 × 803,990,947.60
  4. Step 4: Simplify right side
    1,008,064,291.60x = 1,215,711,847,567,810,304
  5. Step 5: Solve for x
    x = 1,215,711,847,567,810,304/1,008,064,291.60
  6. Step 6: Final answer
    x = 1,205,986,421.40

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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.