Home / 901,229,473.12-1,243,300,499.22-543,797,881.48

Finding the Fourth Proportional to 901,229,473.12, 1,243,300,499.22 and 543,797,881.48

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Solution

The fourth proportional to 901,229,473.12, 1,243,300,499.22 and 543,797,881.48 is: 750,202,026.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,229,473.12 : 1,243,300,499.22 = 543,797,881.48 : x
  2. Step 2: Convert to fraction form
    901,229,473.12/1,243,300,499.22 = 543,797,881.48/x
  3. Step 3: Cross multiply
    901,229,473.12x = 1,243,300,499.22 × 543,797,881.48
  4. Step 4: Simplify right side
    901,229,473.12x = 676,104,177,518,862,464
  5. Step 5: Solve for x
    x = 676,104,177,518,862,464/901,229,473.12
  6. Step 6: Final answer
    x = 750,202,026.99

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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.