Home / 1,190,563,947.83-1,785,730,448.13-361,524,768.63

Finding the Fourth Proportional to 1,190,563,947.83, 1,785,730,448.13 and 361,524,768.63

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Solution

The fourth proportional to 1,190,563,947.83, 1,785,730,448.13 and 361,524,768.63 is: 542,252,088.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,563,947.83 : 1,785,730,448.13 = 361,524,768.63 : x
  2. Step 2: Convert to fraction form
    1,190,563,947.83/1,785,730,448.13 = 361,524,768.63/x
  3. Step 3: Cross multiply
    1,190,563,947.83x = 1,785,730,448.13 × 361,524,768.63
  4. Step 4: Simplify right side
    1,190,563,947.83x = 645,585,787,095,744,512
  5. Step 5: Solve for x
    x = 645,585,787,095,744,512/1,190,563,947.83
  6. Step 6: Final answer
    x = 542,252,088.41

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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.