Home / 476,928,007.20-715,392,010.80-355,995,655.20

Finding the Fourth Proportional to 476,928,007.20, 715,392,010.80 and 355,995,655.20

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Solution

The fourth proportional to 476,928,007.20, 715,392,010.80 and 355,995,655.20 is: 533,993,482.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,928,007.20 : 715,392,010.80 = 355,995,655.20 : x
  2. Step 2: Convert to fraction form
    476,928,007.20/715,392,010.80 = 355,995,655.20/x
  3. Step 3: Cross multiply
    476,928,007.20x = 715,392,010.80 × 355,995,655.20
  4. Step 4: Simplify right side
    476,928,007.20x = 254,676,447,609,591,456
  5. Step 5: Solve for x
    x = 254,676,447,609,591,456/476,928,007.20
  6. Step 6: Final answer
    x = 533,993,482.80

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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.