Home / 575,505,057.20-863,257,585.80-212,141,130.80

Finding the Fourth Proportional to 575,505,057.20, 863,257,585.80 and 212,141,130.80

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Solution

The fourth proportional to 575,505,057.20, 863,257,585.80 and 212,141,130.80 is: 318,211,696.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,505,057.20 : 863,257,585.80 = 212,141,130.80 : x
  2. Step 2: Convert to fraction form
    575,505,057.20/863,257,585.80 = 212,141,130.80/x
  3. Step 3: Cross multiply
    575,505,057.20x = 863,257,585.80 × 212,141,130.80
  4. Step 4: Simplify right side
    575,505,057.20x = 183,132,440,423,290,016
  5. Step 5: Solve for x
    x = 183,132,440,423,290,016/575,505,057.20
  6. Step 6: Final answer
    x = 318,211,696.20

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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.