Home / 1,265,615,467.20-1,898,423,200.80-1,257,553,310.40

Finding the Fourth Proportional to 1,265,615,467.20, 1,898,423,200.80 and 1,257,553,310.40

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Solution

The fourth proportional to 1,265,615,467.20, 1,898,423,200.80 and 1,257,553,310.40 is: 1,886,329,965.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,615,467.20 : 1,898,423,200.80 = 1,257,553,310.40 : x
  2. Step 2: Convert to fraction form
    1,265,615,467.20/1,898,423,200.80 = 1,257,553,310.40/x
  3. Step 3: Cross multiply
    1,265,615,467.20x = 1,898,423,200.80 × 1,257,553,310.40
  4. Step 4: Simplify right side
    1,265,615,467.20x = 2,387,368,380,706,204,160
  5. Step 5: Solve for x
    x = 2,387,368,380,706,204,160/1,265,615,467.20
  6. Step 6: Final answer
    x = 1,886,329,965.60

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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.