Home / 623,795,674.80-935,693,512.20-163,780,345.20

Finding the Fourth Proportional to 623,795,674.80, 935,693,512.20 and 163,780,345.20

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Solution

The fourth proportional to 623,795,674.80, 935,693,512.20 and 163,780,345.20 is: 245,670,517.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,795,674.80 : 935,693,512.20 = 163,780,345.20 : x
  2. Step 2: Convert to fraction form
    623,795,674.80/935,693,512.20 = 163,780,345.20/x
  3. Step 3: Cross multiply
    623,795,674.80x = 935,693,512.20 × 163,780,345.20
  4. Step 4: Simplify right side
    623,795,674.80x = 153,248,206,429,516,416
  5. Step 5: Solve for x
    x = 153,248,206,429,516,416/623,795,674.80
  6. Step 6: Final answer
    x = 245,670,517.80

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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.