Home / 739,315,712.80-1,108,973,569.20-194,112,359.20

Finding the Fourth Proportional to 739,315,712.80, 1,108,973,569.20 and 194,112,359.20

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Solution

The fourth proportional to 739,315,712.80, 1,108,973,569.20 and 194,112,359.20 is: 291,168,538.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,315,712.80 : 1,108,973,569.20 = 194,112,359.20 : x
  2. Step 2: Convert to fraction form
    739,315,712.80/1,108,973,569.20 = 194,112,359.20/x
  3. Step 3: Cross multiply
    739,315,712.80x = 1,108,973,569.20 × 194,112,359.20
  4. Step 4: Simplify right side
    739,315,712.80x = 215,265,475,807,856,448
  5. Step 5: Solve for x
    x = 215,265,475,807,856,448/739,315,712.80
  6. Step 6: Final answer
    x = 291,168,538.80

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1.5x scale

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.