Home / 875,447,666.40-1,313,533,227.60-383,906,592.48

Finding the Fourth Proportional to 875,447,666.40, 1,313,533,227.60 and 383,906,592.48

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Solution

The fourth proportional to 875,447,666.40, 1,313,533,227.60 and 383,906,592.48 is: 576,018,515.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,447,666.40 : 1,313,533,227.60 = 383,906,592.48 : x
  2. Step 2: Convert to fraction form
    875,447,666.40/1,313,533,227.60 = 383,906,592.48/x
  3. Step 3: Cross multiply
    875,447,666.40x = 1,313,533,227.60 × 383,906,592.48
  4. Step 4: Simplify right side
    875,447,666.40x = 504,274,065,517,172,288
  5. Step 5: Solve for x
    x = 504,274,065,517,172,288/875,447,666.40
  6. Step 6: Final answer
    x = 576,018,515.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.