Home / 429,373,046.76-643,982,893.86-114,240,886.80

Finding the Fourth Proportional to 429,373,046.76, 643,982,893.86 and 114,240,886.80

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Solution

The fourth proportional to 429,373,046.76, 643,982,893.86 and 114,240,886.80 is: 171,340,929.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,373,046.76 : 643,982,893.86 = 114,240,886.80 : x
  2. Step 2: Convert to fraction form
    429,373,046.76/643,982,893.86 = 114,240,886.80/x
  3. Step 3: Cross multiply
    429,373,046.76x = 643,982,893.86 × 114,240,886.80
  4. Step 4: Simplify right side
    429,373,046.76x = 73,569,176,878,596,672
  5. Step 5: Solve for x
    x = 73,569,176,878,596,672/429,373,046.76
  6. Step 6: Final answer
    x = 171,340,929.37

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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.