Home / 462,506,908.50-693,941,940.86-203,540,471.19

Finding the Fourth Proportional to 462,506,908.50, 693,941,940.86 and 203,540,471.19

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Solution

The fourth proportional to 462,506,908.50, 693,941,940.86 and 203,540,471.19 is: 305,390,615.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,506,908.50 : 693,941,940.86 = 203,540,471.19 : x
  2. Step 2: Convert to fraction form
    462,506,908.50/693,941,940.86 = 203,540,471.19/x
  3. Step 3: Cross multiply
    462,506,908.50x = 693,941,940.86 × 203,540,471.19
  4. Step 4: Simplify right side
    462,506,908.50x = 141,245,269,620,129,808
  5. Step 5: Solve for x
    x = 141,245,269,620,129,808/462,506,908.50
  6. Step 6: Final answer
    x = 305,390,615.85

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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.