Home / 872,709,425.91-1,204,364,443.35-476,257,953.03

Finding the Fourth Proportional to 872,709,425.91, 1,204,364,443.35 and 476,257,953.03

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Solution

The fourth proportional to 872,709,425.91, 1,204,364,443.35 and 476,257,953.03 is: 657,249,855.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,709,425.91 : 1,204,364,443.35 = 476,257,953.03 : x
  2. Step 2: Convert to fraction form
    872,709,425.91/1,204,364,443.35 = 476,257,953.03/x
  3. Step 3: Cross multiply
    872,709,425.91x = 1,204,364,443.35 × 476,257,953.03
  4. Step 4: Simplify right side
    872,709,425.91x = 573,588,144,491,986,304
  5. Step 5: Solve for x
    x = 573,588,144,491,986,304/872,709,425.91
  6. Step 6: Final answer
    x = 657,249,855.98

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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.