Home / 657,931,247.70-986,896,871.55-554,619,117.30

Finding the Fourth Proportional to 657,931,247.70, 986,896,871.55 and 554,619,117.30

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Solution

The fourth proportional to 657,931,247.70, 986,896,871.55 and 554,619,117.30 is: 831,928,675.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,931,247.70 : 986,896,871.55 = 554,619,117.30 : x
  2. Step 2: Convert to fraction form
    657,931,247.70/986,896,871.55 = 554,619,117.30/x
  3. Step 3: Cross multiply
    657,931,247.70x = 986,896,871.55 × 554,619,117.30
  4. Step 4: Simplify right side
    657,931,247.70x = 547,351,871,765,192,384
  5. Step 5: Solve for x
    x = 547,351,871,765,192,384/657,931,247.70
  6. Step 6: Final answer
    x = 831,928,675.95

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Double scale
Find fourth proportional to 657,931,248.70, 986,896,873.05 and 554,619,118.30
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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.