Home / 1,253,820,405,538.90-1,730,245,039,867.60-725,892,066,475.72

Finding the Fourth Proportional to 1,253,820,405,538.90, 1,730,245,039,867.60 and 725,892,066,475.72

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Solution

The fourth proportional to 1,253,820,405,538.90, 1,730,245,039,867.60 and 725,892,066,475.72 is: 1,001,715,350,899.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,820,405,538.90 : 1,730,245,039,867.60 = 725,892,066,475.72 : x
  2. Step 2: Convert to fraction form
    1,253,820,405,538.90/1,730,245,039,867.60 = 725,892,066,475.72/x
  3. Step 3: Cross multiply
    1,253,820,405,538.90x = 1,730,245,039,867.60 × 725,892,066,475.72
  4. Step 4: Simplify right side
    1,253,820,405,538.90x = 1,255,971,147,498,856,816,574,464
  5. Step 5: Solve for x
    x = 1,255,971,147,498,856,816,574,464/1,253,820,405,538.90
  6. Step 6: Final answer
    x = 1,001,715,350,899.10

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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.