Home / 561,922,496.40-842,883,744.60-553,313,152.20

Finding the Fourth Proportional to 561,922,496.40, 842,883,744.60 and 553,313,152.20

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Solution

The fourth proportional to 561,922,496.40, 842,883,744.60 and 553,313,152.20 is: 829,969,728.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,922,496.40 : 842,883,744.60 = 553,313,152.20 : x
  2. Step 2: Convert to fraction form
    561,922,496.40/842,883,744.60 = 553,313,152.20/x
  3. Step 3: Cross multiply
    561,922,496.40x = 842,883,744.60 × 553,313,152.20
  4. Step 4: Simplify right side
    561,922,496.40x = 466,378,661,662,765,760
  5. Step 5: Solve for x
    x = 466,378,661,662,765,760/561,922,496.40
  6. Step 6: Final answer
    x = 829,969,728.30

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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.