Home / 645,958,078.80-968,937,118.20-301,584,310.80

Finding the Fourth Proportional to 645,958,078.80, 968,937,118.20 and 301,584,310.80

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Solution

The fourth proportional to 645,958,078.80, 968,937,118.20 and 301,584,310.80 is: 452,376,466.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,958,078.80 : 968,937,118.20 = 301,584,310.80 : x
  2. Step 2: Convert to fraction form
    645,958,078.80/968,937,118.20 = 301,584,310.80/x
  3. Step 3: Cross multiply
    645,958,078.80x = 968,937,118.20 × 301,584,310.80
  4. Step 4: Simplify right side
    645,958,078.80x = 292,216,233,000,885,184
  5. Step 5: Solve for x
    x = 292,216,233,000,885,184/645,958,078.80
  6. Step 6: Final answer
    x = 452,376,466.20

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Similar ratio
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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.