Home / 989,443,097.59-1,365,426,193.17-537,317,112.85

Finding the Fourth Proportional to 989,443,097.59, 1,365,426,193.17 and 537,317,112.85

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Solution

The fourth proportional to 989,443,097.59, 1,365,426,193.17 and 537,317,112.85 is: 741,494,747.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,443,097.59 : 1,365,426,193.17 = 537,317,112.85 : x
  2. Step 2: Convert to fraction form
    989,443,097.59/1,365,426,193.17 = 537,317,112.85/x
  3. Step 3: Cross multiply
    989,443,097.59x = 1,365,426,193.17 × 537,317,112.85
  4. Step 4: Simplify right side
    989,443,097.59x = 733,666,859,923,870,848
  5. Step 5: Solve for x
    x = 733,666,859,923,870,848/989,443,097.59
  6. Step 6: Final answer
    x = 741,494,747.61

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1.5x scale

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.