Home / 1,396,331,360.80-2,094,497,041.20-619,152,042.40

Finding the Fourth Proportional to 1,396,331,360.80, 2,094,497,041.20 and 619,152,042.40

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Solution

The fourth proportional to 1,396,331,360.80, 2,094,497,041.20 and 619,152,042.40 is: 928,728,063.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,331,360.80 : 2,094,497,041.20 = 619,152,042.40 : x
  2. Step 2: Convert to fraction form
    1,396,331,360.80/2,094,497,041.20 = 619,152,042.40/x
  3. Step 3: Cross multiply
    1,396,331,360.80x = 2,094,497,041.20 × 619,152,042.40
  4. Step 4: Simplify right side
    1,396,331,360.80x = 1,296,812,120,859,736,832
  5. Step 5: Solve for x
    x = 1,296,812,120,859,736,832/1,396,331,360.80
  6. Step 6: Final answer
    x = 928,728,063.60

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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.