Home / 575,505,095.70-863,257,643.55-212,141,169.30

Finding the Fourth Proportional to 575,505,095.70, 863,257,643.55 and 212,141,169.30

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Solution

The fourth proportional to 575,505,095.70, 863,257,643.55 and 212,141,169.30 is: 318,211,753.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,505,095.70 : 863,257,643.55 = 212,141,169.30 : x
  2. Step 2: Convert to fraction form
    575,505,095.70/863,257,643.55 = 212,141,169.30/x
  3. Step 3: Cross multiply
    575,505,095.70x = 863,257,643.55 × 212,141,169.30
  4. Step 4: Simplify right side
    575,505,095.70x = 183,132,485,909,859,616
  5. Step 5: Solve for x
    x = 183,132,485,909,859,616/575,505,095.70
  6. Step 6: Final answer
    x = 318,211,753.95

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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.