Home / 475,202,029.32-712,657,169.87-328,591,602.45

Finding the Fourth Proportional to 475,202,029.32, 712,657,169.87 and 328,591,602.45

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Solution

The fourth proportional to 475,202,029.32, 712,657,169.87 and 328,591,602.45 is: 492,786,534.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,202,029.32 : 712,657,169.87 = 328,591,602.45 : x
  2. Step 2: Convert to fraction form
    475,202,029.32/712,657,169.87 = 328,591,602.45/x
  3. Step 3: Cross multiply
    475,202,029.32x = 712,657,169.87 × 328,591,602.45
  4. Step 4: Simplify right side
    475,202,029.32x = 234,173,161,443,422,208
  5. Step 5: Solve for x
    x = 234,173,161,443,422,208/475,202,029.32
  6. Step 6: Final answer
    x = 492,786,534.98

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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.