Home / 752,856,246.80-1,129,685,611.80-292,809,424.40

Finding the Fourth Proportional to 752,856,246.80, 1,129,685,611.80 and 292,809,424.40

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Solution

The fourth proportional to 752,856,246.80, 1,129,685,611.80 and 292,809,424.40 is: 439,370,192.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,856,246.80 : 1,129,685,611.80 = 292,809,424.40 : x
  2. Step 2: Convert to fraction form
    752,856,246.80/1,129,685,611.80 = 292,809,424.40/x
  3. Step 3: Cross multiply
    752,856,246.80x = 1,129,685,611.80 × 292,809,424.40
  4. Step 4: Simplify right side
    752,856,246.80x = 330,782,593,744,119,808
  5. Step 5: Solve for x
    x = 330,782,593,744,119,808/752,856,246.80
  6. Step 6: Final answer
    x = 439,370,192.05

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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.