Home / 298,934,987.40-448,402,481.10-238,468,811.40

Finding the Fourth Proportional to 298,934,987.40, 448,402,481.10 and 238,468,811.40

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Solution

The fourth proportional to 298,934,987.40, 448,402,481.10 and 238,468,811.40 is: 357,703,217.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,934,987.40 : 448,402,481.10 = 238,468,811.40 : x
  2. Step 2: Convert to fraction form
    298,934,987.40/448,402,481.10 = 238,468,811.40/x
  3. Step 3: Cross multiply
    298,934,987.40x = 448,402,481.10 × 238,468,811.40
  4. Step 4: Simplify right side
    298,934,987.40x = 106,930,006,696,727,968
  5. Step 5: Solve for x
    x = 106,930,006,696,727,968/298,934,987.40
  6. Step 6: Final answer
    x = 357,703,217.10

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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.