Home / 874,502,605.76-1,311,753,908.73-292,236,851.31

Finding the Fourth Proportional to 874,502,605.76, 1,311,753,908.73 and 292,236,851.31

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Solution

The fourth proportional to 874,502,605.76, 1,311,753,908.73 and 292,236,851.31 is: 438,355,277.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,502,605.76 : 1,311,753,908.73 = 292,236,851.31 : x
  2. Step 2: Convert to fraction form
    874,502,605.76/1,311,753,908.73 = 292,236,851.31/x
  3. Step 3: Cross multiply
    874,502,605.76x = 1,311,753,908.73 × 292,236,851.31
  4. Step 4: Simplify right side
    874,502,605.76x = 383,342,831,980,840,320
  5. Step 5: Solve for x
    x = 383,342,831,980,840,320/874,502,605.76
  6. Step 6: Final answer
    x = 438,355,277.00

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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.