Home / 319,308,000.30-478,962,000.45-250,433,246.70

Finding the Fourth Proportional to 319,308,000.30, 478,962,000.45 and 250,433,246.70

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Solution

The fourth proportional to 319,308,000.30, 478,962,000.45 and 250,433,246.70 is: 375,649,870.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,308,000.30 : 478,962,000.45 = 250,433,246.70 : x
  2. Step 2: Convert to fraction form
    319,308,000.30/478,962,000.45 = 250,433,246.70/x
  3. Step 3: Cross multiply
    319,308,000.30x = 478,962,000.45 × 250,433,246.70
  4. Step 4: Simplify right side
    319,308,000.30x = 119,948,008,818,620,352
  5. Step 5: Solve for x
    x = 119,948,008,818,620,352/319,308,000.30
  6. Step 6: Final answer
    x = 375,649,870.05

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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.