Home / 1,149,952,920.80-1,724,929,381.20-874,453,906.40

Finding the Fourth Proportional to 1,149,952,920.80, 1,724,929,381.20 and 874,453,906.40

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Solution

The fourth proportional to 1,149,952,920.80, 1,724,929,381.20 and 874,453,906.40 is: 1,311,680,859.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,952,920.80 : 1,724,929,381.20 = 874,453,906.40 : x
  2. Step 2: Convert to fraction form
    1,149,952,920.80/1,724,929,381.20 = 874,453,906.40/x
  3. Step 3: Cross multiply
    1,149,952,920.80x = 1,724,929,381.20 × 874,453,906.40
  4. Step 4: Simplify right side
    1,149,952,920.80x = 1,508,371,235,654,474,752
  5. Step 5: Solve for x
    x = 1,508,371,235,654,474,752/1,149,952,920.80
  6. Step 6: Final answer
    x = 1,311,680,859.60

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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.