Home / 1,625,932,305.75-2,243,786,581.72-921,084,287.19

Finding the Fourth Proportional to 1,625,932,305.75, 2,243,786,581.72 and 921,084,287.19

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Solution

The fourth proportional to 1,625,932,305.75, 2,243,786,581.72 and 921,084,287.19 is: 1,271,096,316.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,625,932,305.75 : 2,243,786,581.72 = 921,084,287.19 : x
  2. Step 2: Convert to fraction form
    1,625,932,305.75/2,243,786,581.72 = 921,084,287.19/x
  3. Step 3: Cross multiply
    1,625,932,305.75x = 2,243,786,581.72 × 921,084,287.19
  4. Step 4: Simplify right side
    1,625,932,305.75x = 2,066,716,564,227,750,400
  5. Step 5: Solve for x
    x = 2,066,716,564,227,750,400/1,625,932,305.75
  6. Step 6: Final answer
    x = 1,271,096,316.20

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Double scale
Find fourth proportional to 1,625,932,306.75, 2,243,786,583.10 and 921,084,288.19
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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.