Home / 679,960,807.10-1,020,193,153.06-271,310,234.30

Finding the Fourth Proportional to 679,960,807.10, 1,020,193,153.06 and 271,310,234.30

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Solution

The fourth proportional to 679,960,807.10, 1,020,193,153.06 and 271,310,234.30 is: 407,065,878.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,960,807.10 : 1,020,193,153.06 = 271,310,234.30 : x
  2. Step 2: Convert to fraction form
    679,960,807.10/1,020,193,153.06 = 271,310,234.30/x
  3. Step 3: Cross multiply
    679,960,807.10x = 1,020,193,153.06 × 271,310,234.30
  4. Step 4: Simplify right side
    679,960,807.10x = 276,788,843,387,964,352
  5. Step 5: Solve for x
    x = 276,788,843,387,964,352/679,960,807.10
  6. Step 6: Final answer
    x = 407,065,878.65

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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.