Home / 2,165,257,549.72-2,988,084,084.06-1,175,194,834.84

Finding the Fourth Proportional to 2,165,257,549.72, 2,988,084,084.06 and 1,175,194,834.84

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Solution

The fourth proportional to 2,165,257,549.72, 2,988,084,084.06 and 1,175,194,834.84 is: 1,621,784,430.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,165,257,549.72 : 2,988,084,084.06 = 1,175,194,834.84 : x
  2. Step 2: Convert to fraction form
    2,165,257,549.72/2,988,084,084.06 = 1,175,194,834.84/x
  3. Step 3: Cross multiply
    2,165,257,549.72x = 2,988,084,084.06 × 1,175,194,834.84
  4. Step 4: Simplify right side
    2,165,257,549.72x = 3,511,580,981,654,924,288
  5. Step 5: Solve for x
    x = 3,511,580,981,654,924,288/2,165,257,549.72
  6. Step 6: Final answer
    x = 1,621,784,430.27

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Double scale
Find fourth proportional to 2,165,257,550.72, 2,988,084,085.44 and 1,175,194,835.84
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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.