Home / 657,931,215.20-986,896,822.80-554,619,084.80

Finding the Fourth Proportional to 657,931,215.20, 986,896,822.80 and 554,619,084.80

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Solution

The fourth proportional to 657,931,215.20, 986,896,822.80 and 554,619,084.80 is: 831,928,627.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,931,215.20 : 986,896,822.80 = 554,619,084.80 : x
  2. Step 2: Convert to fraction form
    657,931,215.20/986,896,822.80 = 554,619,084.80/x
  3. Step 3: Cross multiply
    657,931,215.20x = 986,896,822.80 × 554,619,084.80
  4. Step 4: Simplify right side
    657,931,215.20x = 547,351,812,653,363,712
  5. Step 5: Solve for x
    x = 547,351,812,653,363,712/657,931,215.20
  6. Step 6: Final answer
    x = 831,928,627.20

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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.