Home / 2,269,405,387.55-3,131,644,560.17-1,316,712,328.85

Finding the Fourth Proportional to 2,269,405,387.55, 3,131,644,560.17 and 1,316,712,328.85

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Solution

The fourth proportional to 2,269,405,387.55, 3,131,644,560.17 and 1,316,712,328.85 is: 1,816,984,759.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,269,405,387.55 : 3,131,644,560.17 = 1,316,712,328.85 : x
  2. Step 2: Convert to fraction form
    2,269,405,387.55/3,131,644,560.17 = 1,316,712,328.85/x
  3. Step 3: Cross multiply
    2,269,405,387.55x = 3,131,644,560.17 × 1,316,712,328.85
  4. Step 4: Simplify right side
    2,269,405,387.55x = 4,123,475,001,929,632,768
  5. Step 5: Solve for x
    x = 4,123,475,001,929,632,768/2,269,405,387.55
  6. Step 6: Final answer
    x = 1,816,984,759.34

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Double scale
Find fourth proportional to 2,269,405,388.55, 3,131,644,561.54 and 1,316,712,329.85
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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.