Home / 979,038,467.60-1,468,132,548.60-323,736,285.20

Finding the Fourth Proportional to 979,038,467.60, 1,468,132,548.60 and 323,736,285.20

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Solution

The fourth proportional to 979,038,467.60, 1,468,132,548.60 and 323,736,285.20 is: 485,463,843.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,038,467.60 : 1,468,132,548.60 = 323,736,285.20 : x
  2. Step 2: Convert to fraction form
    979,038,467.60/1,468,132,548.60 = 323,736,285.20/x
  3. Step 3: Cross multiply
    979,038,467.60x = 1,468,132,548.60 × 323,736,285.20
  4. Step 4: Simplify right side
    979,038,467.60x = 475,287,777,464,972,416
  5. Step 5: Solve for x
    x = 475,287,777,464,972,416/979,038,467.60
  6. Step 6: Final answer
    x = 485,463,843.55

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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.