Home / 657,931,220.20-986,896,830.30-554,619,089.80

Finding the Fourth Proportional to 657,931,220.20, 986,896,830.30 and 554,619,089.80

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Solution

The fourth proportional to 657,931,220.20, 986,896,830.30 and 554,619,089.80 is: 831,928,634.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,931,220.20 : 986,896,830.30 = 554,619,089.80 : x
  2. Step 2: Convert to fraction form
    657,931,220.20/986,896,830.30 = 554,619,089.80/x
  3. Step 3: Cross multiply
    657,931,220.20x = 986,896,830.30 × 554,619,089.80
  4. Step 4: Simplify right side
    657,931,220.20x = 547,351,821,747,491,008
  5. Step 5: Solve for x
    x = 547,351,821,747,491,008/657,931,220.20
  6. Step 6: Final answer
    x = 831,928,634.70

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Find fourth proportional to 657,931,221.20, 986,896,831.80 and 554,619,090.80
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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.