Home / 1,308,672,023.10-1,963,008,034.65-388,690,352.70

Finding the Fourth Proportional to 1,308,672,023.10, 1,963,008,034.65 and 388,690,352.70

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Solution

The fourth proportional to 1,308,672,023.10, 1,963,008,034.65 and 388,690,352.70 is: 583,035,529.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,672,023.10 : 1,963,008,034.65 = 388,690,352.70 : x
  2. Step 2: Convert to fraction form
    1,308,672,023.10/1,963,008,034.65 = 388,690,352.70/x
  3. Step 3: Cross multiply
    1,308,672,023.10x = 1,963,008,034.65 × 388,690,352.70
  4. Step 4: Simplify right side
    1,308,672,023.10x = 763,002,285,341,042,304
  5. Step 5: Solve for x
    x = 763,002,285,341,042,304/1,308,672,023.10
  6. Step 6: Final answer
    x = 583,035,529.05

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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.