Home / 1,425,623,262.90-1,967,324,987.52-790,540,245.42

Finding the Fourth Proportional to 1,425,623,262.90, 1,967,324,987.52 and 790,540,245.42

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Solution

The fourth proportional to 1,425,623,262.90, 1,967,324,987.52 and 790,540,245.42 is: 1,090,926,066.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,623,262.90 : 1,967,324,987.52 = 790,540,245.42 : x
  2. Step 2: Convert to fraction form
    1,425,623,262.90/1,967,324,987.52 = 790,540,245.42/x
  3. Step 3: Cross multiply
    1,425,623,262.90x = 1,967,324,987.52 × 790,540,245.42
  4. Step 4: Simplify right side
    1,425,623,262.90x = 1,555,249,578,454,959,104
  5. Step 5: Solve for x
    x = 1,555,249,578,454,959,104/1,425,623,262.90
  6. Step 6: Final answer
    x = 1,090,926,066.46

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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.