Home / 1,448,534,080.90-2,172,801,121.35-528,440,436.10

Finding the Fourth Proportional to 1,448,534,080.90, 2,172,801,121.35 and 528,440,436.10

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Solution

The fourth proportional to 1,448,534,080.90, 2,172,801,121.35 and 528,440,436.10 is: 792,660,654.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,534,080.90 : 2,172,801,121.35 = 528,440,436.10 : x
  2. Step 2: Convert to fraction form
    1,448,534,080.90/2,172,801,121.35 = 528,440,436.10/x
  3. Step 3: Cross multiply
    1,448,534,080.90x = 2,172,801,121.35 × 528,440,436.10
  4. Step 4: Simplify right side
    1,448,534,080.90x = 1,148,195,972,124,763,008
  5. Step 5: Solve for x
    x = 1,148,195,972,124,763,008/1,448,534,080.90
  6. Step 6: Final answer
    x = 792,660,654.15

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Double scale
Find fourth proportional to 1,448,534,081.90, 2,172,801,122.85 and 528,440,437.10
Similar ratio
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1.5x scale

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.