Home / 1,482,042,124.22-2,045,221,235.76-812,992,571.92

Finding the Fourth Proportional to 1,482,042,124.22, 2,045,221,235.76 and 812,992,571.92

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Solution

The fourth proportional to 1,482,042,124.22, 2,045,221,235.76 and 812,992,571.92 is: 1,121,931,452.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,482,042,124.22 : 2,045,221,235.76 = 812,992,571.92 : x
  2. Step 2: Convert to fraction form
    1,482,042,124.22/2,045,221,235.76 = 812,992,571.92/x
  3. Step 3: Cross multiply
    1,482,042,124.22x = 2,045,221,235.76 × 812,992,571.92
  4. Step 4: Simplify right side
    1,482,042,124.22x = 1,662,749,672,605,923,072
  5. Step 5: Solve for x
    x = 1,662,749,672,605,923,072/1,482,042,124.22
  6. Step 6: Final answer
    x = 1,121,931,452.17

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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.