Home / 1,131,244,208.10-1,560,934,545.93-636,177,392.10

Finding the Fourth Proportional to 1,131,244,208.10, 1,560,934,545.93 and 636,177,392.10

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Solution

The fourth proportional to 1,131,244,208.10, 1,560,934,545.93 and 636,177,392.10 is: 877,822,190.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,244,208.10 : 1,560,934,545.93 = 636,177,392.10 : x
  2. Step 2: Convert to fraction form
    1,131,244,208.10/1,560,934,545.93 = 636,177,392.10/x
  3. Step 3: Cross multiply
    1,131,244,208.10x = 1,560,934,545.93 × 636,177,392.10
  4. Step 4: Simplify right side
    1,131,244,208.10x = 993,031,268,668,545,152
  5. Step 5: Solve for x
    x = 993,031,268,668,545,152/1,131,244,208.10
  6. Step 6: Final answer
    x = 877,822,190.43

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Double scale
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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.