Home / 807,206,310.93-1,113,944,666.45-435,928,306.53

Finding the Fourth Proportional to 807,206,310.93, 1,113,944,666.45 and 435,928,306.53

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Solution

The fourth proportional to 807,206,310.93, 1,113,944,666.45 and 435,928,306.53 is: 601,581,039.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,206,310.93 : 1,113,944,666.45 = 435,928,306.53 : x
  2. Step 2: Convert to fraction form
    807,206,310.93/1,113,944,666.45 = 435,928,306.53/x
  3. Step 3: Cross multiply
    807,206,310.93x = 1,113,944,666.45 × 435,928,306.53
  4. Step 4: Simplify right side
    807,206,310.93x = 485,600,012,011,494,528
  5. Step 5: Solve for x
    x = 485,600,012,011,494,528/807,206,310.93
  6. Step 6: Final answer
    x = 601,581,039.98

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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.