Home / 659,909,716.80-989,864,575.20-591,034,963.20

Finding the Fourth Proportional to 659,909,716.80, 989,864,575.20 and 591,034,963.20

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Solution

The fourth proportional to 659,909,716.80, 989,864,575.20 and 591,034,963.20 is: 886,552,444.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,909,716.80 : 989,864,575.20 = 591,034,963.20 : x
  2. Step 2: Convert to fraction form
    659,909,716.80/989,864,575.20 = 591,034,963.20/x
  3. Step 3: Cross multiply
    659,909,716.80x = 989,864,575.20 × 591,034,963.20
  4. Step 4: Simplify right side
    659,909,716.80x = 585,044,572,776,315,648
  5. Step 5: Solve for x
    x = 585,044,572,776,315,648/659,909,716.80
  6. Step 6: Final answer
    x = 886,552,444.80

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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.