Home / 754,564,476.80-1,129,159,329.60-523,449,315.20

Finding the Fourth Proportional to 754,564,476.80, 1,129,159,329.60 and 523,449,315.20

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Solution

The fourth proportional to 754,564,476.80, 1,129,159,329.60 and 523,449,315.20 is: 783,309,705.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,564,476.80 : 1,129,159,329.60 = 523,449,315.20 : x
  2. Step 2: Convert to fraction form
    754,564,476.80/1,129,159,329.60 = 523,449,315.20/x
  3. Step 3: Cross multiply
    754,564,476.80x = 1,129,159,329.60 × 523,449,315.20
  4. Step 4: Simplify right side
    754,564,476.80x = 591,057,677,830,811,008
  5. Step 5: Solve for x
    x = 591,057,677,830,811,008/754,564,476.80
  6. Step 6: Final answer
    x = 783,309,705.14

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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.