Home / 302,156,639.60-453,234,959.40-266,443,804.40

Finding the Fourth Proportional to 302,156,639.60, 453,234,959.40 and 266,443,804.40

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Solution

The fourth proportional to 302,156,639.60, 453,234,959.40 and 266,443,804.40 is: 399,665,706.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,156,639.60 : 453,234,959.40 = 266,443,804.40 : x
  2. Step 2: Convert to fraction form
    302,156,639.60/453,234,959.40 = 266,443,804.40/x
  3. Step 3: Cross multiply
    302,156,639.60x = 453,234,959.40 × 266,443,804.40
  4. Step 4: Simplify right side
    302,156,639.60x = 120,761,646,869,615,536
  5. Step 5: Solve for x
    x = 120,761,646,869,615,536/302,156,639.60
  6. Step 6: Final answer
    x = 399,665,706.60

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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.