Home / 488,396,959.20-732,595,438.80-294,686,714.70

Finding the Fourth Proportional to 488,396,959.20, 732,595,438.80 and 294,686,714.70

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Solution

The fourth proportional to 488,396,959.20, 732,595,438.80 and 294,686,714.70 is: 442,030,072.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,396,959.20 : 732,595,438.80 = 294,686,714.70 : x
  2. Step 2: Convert to fraction form
    488,396,959.20/732,595,438.80 = 294,686,714.70/x
  3. Step 3: Cross multiply
    488,396,959.20x = 732,595,438.80 × 294,686,714.70
  4. Step 4: Simplify right side
    488,396,959.20x = 215,886,143,064,176,896
  5. Step 5: Solve for x
    x = 215,886,143,064,176,896/488,396,959.20
  6. Step 6: Final answer
    x = 442,030,072.05

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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.