Home / 992,249,781.28-1,488,510,878.04-337,024,903.60

Finding the Fourth Proportional to 992,249,781.28, 1,488,510,878.04 and 337,024,903.60

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Solution

The fourth proportional to 992,249,781.28, 1,488,510,878.04 and 337,024,903.60 is: 505,583,618.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,249,781.28 : 1,488,510,878.04 = 337,024,903.60 : x
  2. Step 2: Convert to fraction form
    992,249,781.28/1,488,510,878.04 = 337,024,903.60/x
  3. Step 3: Cross multiply
    992,249,781.28x = 1,488,510,878.04 × 337,024,903.60
  4. Step 4: Simplify right side
    992,249,781.28x = 501,665,235,178,982,400
  5. Step 5: Solve for x
    x = 501,665,235,178,982,400/992,249,781.28
  6. Step 6: Final answer
    x = 505,583,618.81

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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.