Home / 674,124,310.80-1,011,942,293.40-521,447,216.40

Finding the Fourth Proportional to 674,124,310.80, 1,011,942,293.40 and 521,447,216.40

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Solution

The fourth proportional to 674,124,310.80, 1,011,942,293.40 and 521,447,216.40 is: 782,755,470.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,124,310.80 : 1,011,942,293.40 = 521,447,216.40 : x
  2. Step 2: Convert to fraction form
    674,124,310.80/1,011,942,293.40 = 521,447,216.40/x
  3. Step 3: Cross multiply
    674,124,310.80x = 1,011,942,293.40 × 521,447,216.40
  4. Step 4: Simplify right side
    674,124,310.80x = 527,674,492,050,862,080
  5. Step 5: Solve for x
    x = 527,674,492,050,862,080/674,124,310.80
  6. Step 6: Final answer
    x = 782,755,470.46

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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.