Home / 561,922,495.40-842,883,743.10-553,313,151.20

Finding the Fourth Proportional to 561,922,495.40, 842,883,743.10 and 553,313,151.20

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Solution

The fourth proportional to 561,922,495.40, 842,883,743.10 and 553,313,151.20 is: 829,969,726.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,922,495.40 : 842,883,743.10 = 553,313,151.20 : x
  2. Step 2: Convert to fraction form
    561,922,495.40/842,883,743.10 = 553,313,151.20/x
  3. Step 3: Cross multiply
    561,922,495.40x = 842,883,743.10 × 553,313,151.20
  4. Step 4: Simplify right side
    561,922,495.40x = 466,378,659,989,912,320
  5. Step 5: Solve for x
    x = 466,378,659,989,912,320/561,922,495.40
  6. Step 6: Final answer
    x = 829,969,726.80

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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.