Home / 1,368,390,164.10-1,888,451,747.93-765,524,823.61

Finding the Fourth Proportional to 1,368,390,164.10, 1,888,451,747.93 and 765,524,823.61

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Solution

The fourth proportional to 1,368,390,164.10, 1,888,451,747.93 and 765,524,823.61 is: 1,056,465,275.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,390,164.10 : 1,888,451,747.93 = 765,524,823.61 : x
  2. Step 2: Convert to fraction form
    1,368,390,164.10/1,888,451,747.93 = 765,524,823.61/x
  3. Step 3: Cross multiply
    1,368,390,164.10x = 1,888,451,747.93 × 765,524,823.61
  4. Step 4: Simplify right side
    1,368,390,164.10x = 1,445,656,691,230,109,440
  5. Step 5: Solve for x
    x = 1,445,656,691,230,109,440/1,368,390,164.10
  6. Step 6: Final answer
    x = 1,056,465,275.15

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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.