Home / 1,852,115,606.10-2,555,921,989.62-1,005,342,378.66

Finding the Fourth Proportional to 1,852,115,606.10, 2,555,921,989.62 and 1,005,342,378.66

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Solution

The fourth proportional to 1,852,115,606.10, 2,555,921,989.62 and 1,005,342,378.66 is: 1,387,373,814.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,852,115,606.10 : 2,555,921,989.62 = 1,005,342,378.66 : x
  2. Step 2: Convert to fraction form
    1,852,115,606.10/2,555,921,989.62 = 1,005,342,378.66/x
  3. Step 3: Cross multiply
    1,852,115,606.10x = 2,555,921,989.62 × 1,005,342,378.66
  4. Step 4: Simplify right side
    1,852,115,606.10x = 2,569,576,692,713,970,176
  5. Step 5: Solve for x
    x = 2,569,576,692,713,970,176/1,852,115,606.10
  6. Step 6: Final answer
    x = 1,387,373,814.17

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.