Home / 762,704,867.80-1,144,057,301.70-210,006,227.80

Finding the Fourth Proportional to 762,704,867.80, 1,144,057,301.70 and 210,006,227.80

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Solution

The fourth proportional to 762,704,867.80, 1,144,057,301.70 and 210,006,227.80 is: 315,009,341.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,704,867.80 : 1,144,057,301.70 = 210,006,227.80 : x
  2. Step 2: Convert to fraction form
    762,704,867.80/1,144,057,301.70 = 210,006,227.80/x
  3. Step 3: Cross multiply
    762,704,867.80x = 1,144,057,301.70 × 210,006,227.80
  4. Step 4: Simplify right side
    762,704,867.80x = 240,259,158,317,063,552
  5. Step 5: Solve for x
    x = 240,259,158,317,063,552/762,704,867.80
  6. Step 6: Final answer
    x = 315,009,341.70

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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.