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Finding the Fourth Proportional to 981,330,794.10, 1,472,009,013 and 326,281,820.58

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Solution

The fourth proportional to 981,330,794.10, 1,472,009,013 and 326,281,820.58 is: 489,426,994.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,330,794.10 : 1,472,009,013 = 326,281,820.58 : x
  2. Step 2: Convert to fraction form
    981,330,794.10/1,472,009,013 = 326,281,820.58/x
  3. Step 3: Cross multiply
    981,330,794.10x = 1,472,009,013 × 326,281,820.58
  4. Step 4: Simplify right side
    981,330,794.10x = 480,289,780,671,808,832
  5. Step 5: Solve for x
    x = 480,289,780,671,808,832/981,330,794.10
  6. Step 6: Final answer
    x = 489,426,994.00

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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.