Home / 351,983,947.20-527,975,920.80-328,096,075.20

Finding the Fourth Proportional to 351,983,947.20, 527,975,920.80 and 328,096,075.20

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Solution

The fourth proportional to 351,983,947.20, 527,975,920.80 and 328,096,075.20 is: 492,144,112.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,983,947.20 : 527,975,920.80 = 328,096,075.20 : x
  2. Step 2: Convert to fraction form
    351,983,947.20/527,975,920.80 = 328,096,075.20/x
  3. Step 3: Cross multiply
    351,983,947.20x = 527,975,920.80 × 328,096,075.20
  4. Step 4: Simplify right side
    351,983,947.20x = 173,226,827,414,586,048
  5. Step 5: Solve for x
    x = 173,226,827,414,586,048/351,983,947.20
  6. Step 6: Final answer
    x = 492,144,112.80

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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.