Home / 344,919,246.80-517,378,870.20-163,520,718.80

Finding the Fourth Proportional to 344,919,246.80, 517,378,870.20 and 163,520,718.80

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Solution

The fourth proportional to 344,919,246.80, 517,378,870.20 and 163,520,718.80 is: 245,281,078.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,919,246.80 : 517,378,870.20 = 163,520,718.80 : x
  2. Step 2: Convert to fraction form
    344,919,246.80/517,378,870.20 = 163,520,718.80/x
  3. Step 3: Cross multiply
    344,919,246.80x = 517,378,870.20 × 163,520,718.80
  4. Step 4: Simplify right side
    344,919,246.80x = 84,602,164,747,035,904
  5. Step 5: Solve for x
    x = 84,602,164,747,035,904/344,919,246.80
  6. Step 6: Final answer
    x = 245,281,078.20

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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.