Home / 553,356,546.39-830,180,191.55-198,866,619.95

Finding the Fourth Proportional to 553,356,546.39, 830,180,191.55 and 198,866,619.95

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Solution

The fourth proportional to 553,356,546.39, 830,180,191.55 and 198,866,619.95 is: 298,352,174.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,356,546.39 : 830,180,191.55 = 198,866,619.95 : x
  2. Step 2: Convert to fraction form
    553,356,546.39/830,180,191.55 = 198,866,619.95/x
  3. Step 3: Cross multiply
    553,356,546.39x = 830,180,191.55 × 198,866,619.95
  4. Step 4: Simplify right side
    553,356,546.39x = 165,095,128,637,846,816
  5. Step 5: Solve for x
    x = 165,095,128,637,846,816/553,356,546.39
  6. Step 6: Final answer
    x = 298,352,174.05

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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.