Home / 852,165,550.90-1,277,118,335.31-437,625,625.78

Finding the Fourth Proportional to 852,165,550.90, 1,277,118,335.31 and 437,625,625.78

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Solution

The fourth proportional to 852,165,550.90, 1,277,118,335.31 and 437,625,625.78 is: 655,858,137.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,165,550.90 : 1,277,118,335.31 = 437,625,625.78 : x
  2. Step 2: Convert to fraction form
    852,165,550.90/1,277,118,335.31 = 437,625,625.78/x
  3. Step 3: Cross multiply
    852,165,550.90x = 1,277,118,335.31 × 437,625,625.78
  4. Step 4: Simplify right side
    852,165,550.90x = 558,899,710,685,150,528
  5. Step 5: Solve for x
    x = 558,899,710,685,150,528/852,165,550.90
  6. Step 6: Final answer
    x = 655,858,137.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.