Home / 553,356,548.14-830,180,194.17-198,866,621.70

Finding the Fourth Proportional to 553,356,548.14, 830,180,194.17 and 198,866,621.70

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Solution

The fourth proportional to 553,356,548.14, 830,180,194.17 and 198,866,621.70 is: 298,352,176.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,356,548.14 : 830,180,194.17 = 198,866,621.70 : x
  2. Step 2: Convert to fraction form
    553,356,548.14/830,180,194.17 = 198,866,621.70/x
  3. Step 3: Cross multiply
    553,356,548.14x = 830,180,194.17 × 198,866,621.70
  4. Step 4: Simplify right side
    553,356,548.14x = 165,095,130,616,837,920
  5. Step 5: Solve for x
    x = 165,095,130,616,837,920/553,356,548.14
  6. Step 6: Final answer
    x = 298,352,176.68

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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.