Home / 763,050,081.30-1,144,575,121.95-188,621,409.30

Finding the Fourth Proportional to 763,050,081.30, 1,144,575,121.95 and 188,621,409.30

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Solution

The fourth proportional to 763,050,081.30, 1,144,575,121.95 and 188,621,409.30 is: 282,932,113.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,050,081.30 : 1,144,575,121.95 = 188,621,409.30 : x
  2. Step 2: Convert to fraction form
    763,050,081.30/1,144,575,121.95 = 188,621,409.30/x
  3. Step 3: Cross multiply
    763,050,081.30x = 1,144,575,121.95 × 188,621,409.30
  4. Step 4: Simplify right side
    763,050,081.30x = 215,891,372,551,928,384
  5. Step 5: Solve for x
    x = 215,891,372,551,928,384/763,050,081.30
  6. Step 6: Final answer
    x = 282,932,113.95

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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.