Home / 876,611,264.46-1,209,724,197.15-474,728,132.82

Finding the Fourth Proportional to 876,611,264.46, 1,209,724,197.15 and 474,728,132.82

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Solution

The fourth proportional to 876,611,264.46, 1,209,724,197.15 and 474,728,132.82 is: 655,125,176.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,611,264.46 : 1,209,724,197.15 = 474,728,132.82 : x
  2. Step 2: Convert to fraction form
    876,611,264.46/1,209,724,197.15 = 474,728,132.82/x
  3. Step 3: Cross multiply
    876,611,264.46x = 1,209,724,197.15 × 474,728,132.82
  4. Step 4: Simplify right side
    876,611,264.46x = 574,290,109,340,193,088
  5. Step 5: Solve for x
    x = 574,290,109,340,193,088/876,611,264.46
  6. Step 6: Final answer
    x = 655,125,176.49

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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.