Home / 1,240,713,044.10-1,861,069,566.15-1,105,115,872.95

Finding the Fourth Proportional to 1,240,713,044.10, 1,861,069,566.15 and 1,105,115,872.95

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Solution

The fourth proportional to 1,240,713,044.10, 1,861,069,566.15 and 1,105,115,872.95 is: 1,657,673,809.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,713,044.10 : 1,861,069,566.15 = 1,105,115,872.95 : x
  2. Step 2: Convert to fraction form
    1,240,713,044.10/1,861,069,566.15 = 1,105,115,872.95/x
  3. Step 3: Cross multiply
    1,240,713,044.10x = 1,861,069,566.15 × 1,105,115,872.95
  4. Step 4: Simplify right side
    1,240,713,044.10x = 2,056,697,518,216,535,296
  5. Step 5: Solve for x
    x = 2,056,697,518,216,535,296/1,240,713,044.10
  6. Step 6: Final answer
    x = 1,657,673,809.43

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Double scale
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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.