Home / 314,928,720.20-472,393,080.30-288,144,093.80

Finding the Fourth Proportional to 314,928,720.20, 472,393,080.30 and 288,144,093.80

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Solution

The fourth proportional to 314,928,720.20, 472,393,080.30 and 288,144,093.80 is: 432,216,140.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,720.20 : 472,393,080.30 = 288,144,093.80 : x
  2. Step 2: Convert to fraction form
    314,928,720.20/472,393,080.30 = 288,144,093.80/x
  3. Step 3: Cross multiply
    314,928,720.20x = 472,393,080.30 × 288,144,093.80
  4. Step 4: Simplify right side
    314,928,720.20x = 136,117,276,040,434,144
  5. Step 5: Solve for x
    x = 136,117,276,040,434,144/314,928,720.20
  6. Step 6: Final answer
    x = 432,216,140.70

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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.