Home / 434,629,216.80-651,719,876.40-161,859,578.40

Finding the Fourth Proportional to 434,629,216.80, 651,719,876.40 and 161,859,578.40

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Solution

The fourth proportional to 434,629,216.80, 651,719,876.40 and 161,859,578.40 is: 242,705,967.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,629,216.80 : 651,719,876.40 = 161,859,578.40 : x
  2. Step 2: Convert to fraction form
    434,629,216.80/651,719,876.40 = 161,859,578.40/x
  3. Step 3: Cross multiply
    434,629,216.80x = 651,719,876.40 × 161,859,578.40
  4. Step 4: Simplify right side
    434,629,216.80x = 105,487,104,429,004,112
  5. Step 5: Solve for x
    x = 105,487,104,429,004,112/434,629,216.80
  6. Step 6: Final answer
    x = 242,705,967.18

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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.