Home / 876,611,263.95-1,209,724,196.46-474,728,132.34

Finding the Fourth Proportional to 876,611,263.95, 1,209,724,196.46 and 474,728,132.34

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Solution

The fourth proportional to 876,611,263.95, 1,209,724,196.46 and 474,728,132.34 is: 655,125,175.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,611,263.95 : 1,209,724,196.46 = 474,728,132.34 : x
  2. Step 2: Convert to fraction form
    876,611,263.95/1,209,724,196.46 = 474,728,132.34/x
  3. Step 3: Cross multiply
    876,611,263.95x = 1,209,724,196.46 × 474,728,132.34
  4. Step 4: Simplify right side
    876,611,263.95x = 574,290,108,431,963,008
  5. Step 5: Solve for x
    x = 574,290,108,431,963,008/876,611,263.95
  6. Step 6: Final answer
    x = 655,125,175.83

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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.