Home / 901,229,470.36-1,243,300,495.44-543,797,878.72

Finding the Fourth Proportional to 901,229,470.36, 1,243,300,495.44 and 543,797,878.72

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Solution

The fourth proportional to 901,229,470.36, 1,243,300,495.44 and 543,797,878.72 is: 750,202,023.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,229,470.36 : 1,243,300,495.44 = 543,797,878.72 : x
  2. Step 2: Convert to fraction form
    901,229,470.36/1,243,300,495.44 = 543,797,878.72/x
  3. Step 3: Cross multiply
    901,229,470.36x = 1,243,300,495.44 × 543,797,878.72
  4. Step 4: Simplify right side
    901,229,470.36x = 676,104,172,031,797,120
  5. Step 5: Solve for x
    x = 676,104,172,031,797,120/901,229,470.36
  6. Step 6: Final answer
    x = 750,202,023.20

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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.