Home / 298,935,604.80-448,403,407.20-210,928,975.20

Finding the Fourth Proportional to 298,935,604.80, 448,403,407.20 and 210,928,975.20

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Solution

The fourth proportional to 298,935,604.80, 448,403,407.20 and 210,928,975.20 is: 316,393,462.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,935,604.80 : 448,403,407.20 = 210,928,975.20 : x
  2. Step 2: Convert to fraction form
    298,935,604.80/448,403,407.20 = 210,928,975.20/x
  3. Step 3: Cross multiply
    298,935,604.80x = 448,403,407.20 × 210,928,975.20
  4. Step 4: Simplify right side
    298,935,604.80x = 94,581,271,156,884,288
  5. Step 5: Solve for x
    x = 94,581,271,156,884,288/298,935,604.80
  6. Step 6: Final answer
    x = 316,393,462.80

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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.