Home / 298,935,600.30-448,403,400.45-210,928,970.70

Finding the Fourth Proportional to 298,935,600.30, 448,403,400.45 and 210,928,970.70

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Solution

The fourth proportional to 298,935,600.30, 448,403,400.45 and 210,928,970.70 is: 316,393,456.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,935,600.30 : 448,403,400.45 = 210,928,970.70 : x
  2. Step 2: Convert to fraction form
    298,935,600.30/448,403,400.45 = 210,928,970.70/x
  3. Step 3: Cross multiply
    298,935,600.30x = 448,403,400.45 × 210,928,970.70
  4. Step 4: Simplify right side
    298,935,600.30x = 94,581,267,715,298,416
  5. Step 5: Solve for x
    x = 94,581,267,715,298,416/298,935,600.30
  6. Step 6: Final answer
    x = 316,393,456.05

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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.