Home / 558,358,763.60-837,538,145.40-313,470,750.80

Finding the Fourth Proportional to 558,358,763.60, 837,538,145.40 and 313,470,750.80

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Solution

The fourth proportional to 558,358,763.60, 837,538,145.40 and 313,470,750.80 is: 470,206,126.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,358,763.60 : 837,538,145.40 = 313,470,750.80 : x
  2. Step 2: Convert to fraction form
    558,358,763.60/837,538,145.40 = 313,470,750.80/x
  3. Step 3: Cross multiply
    558,358,763.60x = 837,538,145.40 × 313,470,750.80
  4. Step 4: Simplify right side
    558,358,763.60x = 262,543,711,262,177,568
  5. Step 5: Solve for x
    x = 262,543,711,262,177,568/558,358,763.60
  6. Step 6: Final answer
    x = 470,206,126.20

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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.