Home / 1,312,091,157.75-1,810,723,589.06-725,418,085.11

Finding the Fourth Proportional to 1,312,091,157.75, 1,810,723,589.06 and 725,418,085.11

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Solution

The fourth proportional to 1,312,091,157.75, 1,810,723,589.06 and 725,418,085.11 is: 1,001,097,851.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,091,157.75 : 1,810,723,589.06 = 725,418,085.11 : x
  2. Step 2: Convert to fraction form
    1,312,091,157.75/1,810,723,589.06 = 725,418,085.11/x
  3. Step 3: Cross multiply
    1,312,091,157.75x = 1,810,723,589.06 × 725,418,085.11
  4. Step 4: Simplify right side
    1,312,091,157.75x = 1,313,531,638,635,784,704
  5. Step 5: Solve for x
    x = 1,313,531,638,635,784,704/1,312,091,157.75
  6. Step 6: Final answer
    x = 1,001,097,851.23

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Double scale
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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.