Home / 725,683,780.90-1,087,836,066.51-462,629,933.74

Finding the Fourth Proportional to 725,683,780.90, 1,087,836,066.51 and 462,629,933.74

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Solution

The fourth proportional to 725,683,780.90, 1,087,836,066.51 and 462,629,933.74 is: 693,505,271.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,683,780.90 : 1,087,836,066.51 = 462,629,933.74 : x
  2. Step 2: Convert to fraction form
    725,683,780.90/1,087,836,066.51 = 462,629,933.74/x
  3. Step 3: Cross multiply
    725,683,780.90x = 1,087,836,066.51 × 462,629,933.74
  4. Step 4: Simplify right side
    725,683,780.90x = 503,265,527,369,503,552
  5. Step 5: Solve for x
    x = 503,265,527,369,503,552/725,683,780.90
  6. Step 6: Final answer
    x = 693,505,271.33

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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.