Home / 869,087,257.74-1,199,348,955.72-472,618,862.73

Finding the Fourth Proportional to 869,087,257.74, 1,199,348,955.72 and 472,618,862.73

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Solution

The fourth proportional to 869,087,257.74, 1,199,348,955.72 and 472,618,862.73 is: 652,218,674.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,087,257.74 : 1,199,348,955.72 = 472,618,862.73 : x
  2. Step 2: Convert to fraction form
    869,087,257.74/1,199,348,955.72 = 472,618,862.73/x
  3. Step 3: Cross multiply
    869,087,257.74x = 1,199,348,955.72 × 472,618,862.73
  4. Step 4: Simplify right side
    869,087,257.74x = 566,834,939,468,799,552
  5. Step 5: Solve for x
    x = 566,834,939,468,799,552/869,087,257.74
  6. Step 6: Final answer
    x = 652,218,674.73

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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.