Home / 1,260,107,540.80-1,889,594,440.80-483,495,092.80

Finding the Fourth Proportional to 1,260,107,540.80, 1,889,594,440.80 and 483,495,092.80

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Solution

The fourth proportional to 1,260,107,540.80, 1,889,594,440.80 and 483,495,092.80 is: 725,025,134.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,107,540.80 : 1,889,594,440.80 = 483,495,092.80 : x
  2. Step 2: Convert to fraction form
    1,260,107,540.80/1,889,594,440.80 = 483,495,092.80/x
  3. Step 3: Cross multiply
    1,260,107,540.80x = 1,889,594,440.80 × 483,495,092.80
  4. Step 4: Simplify right side
    1,260,107,540.80x = 913,609,639,508,960,128
  5. Step 5: Solve for x
    x = 913,609,639,508,960,128/1,260,107,540.80
  6. Step 6: Final answer
    x = 725,025,134.70

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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.