Home / 1,572,687,452.88-2,357,649,309.42-640,793,923.32

Finding the Fourth Proportional to 1,572,687,452.88, 2,357,649,309.42 and 640,793,923.32

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Solution

The fourth proportional to 1,572,687,452.88, 2,357,649,309.42 and 640,793,923.32 is: 960,627,839.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,572,687,452.88 : 2,357,649,309.42 = 640,793,923.32 : x
  2. Step 2: Convert to fraction form
    1,572,687,452.88/2,357,649,309.42 = 640,793,923.32/x
  3. Step 3: Cross multiply
    1,572,687,452.88x = 2,357,649,309.42 × 640,793,923.32
  4. Step 4: Simplify right side
    1,572,687,452.88x = 1,510,767,350,795,930,624
  5. Step 5: Solve for x
    x = 1,510,767,350,795,930,624/1,572,687,452.88
  6. Step 6: Final answer
    x = 960,627,839.96

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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.