Home / 846,301,708.74-1,268,873,027.48-430,974,574.86

Finding the Fourth Proportional to 846,301,708.74, 1,268,873,027.48 and 430,974,574.86

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Solution

The fourth proportional to 846,301,708.74, 1,268,873,027.48 and 430,974,574.86 is: 646,166,736.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,301,708.74 : 1,268,873,027.48 = 430,974,574.86 : x
  2. Step 2: Convert to fraction form
    846,301,708.74/1,268,873,027.48 = 430,974,574.86/x
  3. Step 3: Cross multiply
    846,301,708.74x = 1,268,873,027.48 × 430,974,574.86
  4. Step 4: Simplify right side
    846,301,708.74x = 546,852,013,569,514,112
  5. Step 5: Solve for x
    x = 546,852,013,569,514,112/846,301,708.74
  6. Step 6: Final answer
    x = 646,166,736.90

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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.