Home / 1,381,853,221.20-2,072,779,831.80-449,174,266.20

Finding the Fourth Proportional to 1,381,853,221.20, 2,072,779,831.80 and 449,174,266.20

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Solution

The fourth proportional to 1,381,853,221.20, 2,072,779,831.80 and 449,174,266.20 is: 673,761,399.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,853,221.20 : 2,072,779,831.80 = 449,174,266.20 : x
  2. Step 2: Convert to fraction form
    1,381,853,221.20/2,072,779,831.80 = 449,174,266.20/x
  3. Step 3: Cross multiply
    1,381,853,221.20x = 2,072,779,831.80 × 449,174,266.20
  4. Step 4: Simplify right side
    1,381,853,221.20x = 931,039,359,942,924,416
  5. Step 5: Solve for x
    x = 931,039,359,942,924,416/1,381,853,221.20
  6. Step 6: Final answer
    x = 673,761,399.30

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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.