Home / 295,142,959.46-443,386,285.60-213,513,621.86

Finding the Fourth Proportional to 295,142,959.46, 443,386,285.60 and 213,513,621.86

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Solution

The fourth proportional to 295,142,959.46, 443,386,285.60 and 213,513,621.86 is: 320,756,462.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,142,959.46 : 443,386,285.60 = 213,513,621.86 : x
  2. Step 2: Convert to fraction form
    295,142,959.46/443,386,285.60 = 213,513,621.86/x
  3. Step 3: Cross multiply
    295,142,959.46x = 443,386,285.60 × 213,513,621.86
  4. Step 4: Simplify right side
    295,142,959.46x = 94,669,011,721,508,368
  5. Step 5: Solve for x
    x = 94,669,011,721,508,368/295,142,959.46
  6. Step 6: Final answer
    x = 320,756,462.88

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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.