Home / 475,149,276.77-712,725,243.81-147,672,675.36

Finding the Fourth Proportional to 475,149,276.77, 712,725,243.81 and 147,672,675.36

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Solution

The fourth proportional to 475,149,276.77, 712,725,243.81 and 147,672,675.36 is: 221,509,425.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,149,276.77 : 712,725,243.81 = 147,672,675.36 : x
  2. Step 2: Convert to fraction form
    475,149,276.77/712,725,243.81 = 147,672,675.36/x
  3. Step 3: Cross multiply
    475,149,276.77x = 712,725,243.81 × 147,672,675.36
  4. Step 4: Simplify right side
    475,149,276.77x = 105,250,043,550,891,456
  5. Step 5: Solve for x
    x = 105,250,043,550,891,456/475,149,276.77
  6. Step 6: Final answer
    x = 221,509,425.98

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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.