Home / 912,258,692.72-1,259,053,304.28-718,149,088.88

Finding the Fourth Proportional to 912,258,692.72, 1,259,053,304.28 and 718,149,088.88

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Solution

The fourth proportional to 912,258,692.72, 1,259,053,304.28 and 718,149,088.88 is: 991,153,047.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,258,692.72 : 1,259,053,304.28 = 718,149,088.88 : x
  2. Step 2: Convert to fraction form
    912,258,692.72/1,259,053,304.28 = 718,149,088.88/x
  3. Step 3: Cross multiply
    912,258,692.72x = 1,259,053,304.28 × 718,149,088.88
  4. Step 4: Simplify right side
    912,258,692.72x = 904,187,983,320,035,328
  5. Step 5: Solve for x
    x = 904,187,983,320,035,328/912,258,692.72
  6. Step 6: Final answer
    x = 991,153,047.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.