Home / 1,262,232,909.19-1,893,349,380.21-342,109,247.82

Finding the Fourth Proportional to 1,262,232,909.19, 1,893,349,380.21 and 342,109,247.82

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Solution

The fourth proportional to 1,262,232,909.19, 1,893,349,380.21 and 342,109,247.82 is: 513,163,876.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,232,909.19 : 1,893,349,380.21 = 342,109,247.82 : x
  2. Step 2: Convert to fraction form
    1,262,232,909.19/1,893,349,380.21 = 342,109,247.82/x
  3. Step 3: Cross multiply
    1,262,232,909.19x = 1,893,349,380.21 × 342,109,247.82
  4. Step 4: Simplify right side
    1,262,232,909.19x = 647,732,332,324,106,240
  5. Step 5: Solve for x
    x = 647,732,332,324,106,240/1,262,232,909.19
  6. Step 6: Final answer
    x = 513,163,876.18

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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.