Home / 876,611,263.45-1,209,724,195.77-474,728,131.83

Finding the Fourth Proportional to 876,611,263.45, 1,209,724,195.77 and 474,728,131.83

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Solution

The fourth proportional to 876,611,263.45, 1,209,724,195.77 and 474,728,131.83 is: 655,125,175.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,611,263.45 : 1,209,724,195.77 = 474,728,131.83 : x
  2. Step 2: Convert to fraction form
    876,611,263.45/1,209,724,195.77 = 474,728,131.83/x
  3. Step 3: Cross multiply
    876,611,263.45x = 1,209,724,195.77 × 474,728,131.83
  4. Step 4: Simplify right side
    876,611,263.45x = 574,290,107,487,441,280
  5. Step 5: Solve for x
    x = 574,290,107,487,441,280/876,611,263.45
  6. Step 6: Final answer
    x = 655,125,175.13

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Double scale
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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.