Home / 873,142,644.59-1,204,930,719.88-476,665,634.13

Finding the Fourth Proportional to 873,142,644.59, 1,204,930,719.88 and 476,665,634.13

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Solution

The fourth proportional to 873,142,644.59, 1,204,930,719.88 and 476,665,634.13 is: 657,795,228.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,142,644.59 : 1,204,930,719.88 = 476,665,634.13 : x
  2. Step 2: Convert to fraction form
    873,142,644.59/1,204,930,719.88 = 476,665,634.13/x
  3. Step 3: Cross multiply
    873,142,644.59x = 1,204,930,719.88 × 476,665,634.13
  4. Step 4: Simplify right side
    873,142,644.59x = 574,349,065,673,125,952
  5. Step 5: Solve for x
    x = 574,349,065,673,125,952/873,142,644.59
  6. Step 6: Final answer
    x = 657,795,228.80

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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.