Home / 898,325,009.40-1,347,487,514.10-766,811,076.60

Finding the Fourth Proportional to 898,325,009.40, 1,347,487,514.10 and 766,811,076.60

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Solution

The fourth proportional to 898,325,009.40, 1,347,487,514.10 and 766,811,076.60 is: 1,150,216,614.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,325,009.40 : 1,347,487,514.10 = 766,811,076.60 : x
  2. Step 2: Convert to fraction form
    898,325,009.40/1,347,487,514.10 = 766,811,076.60/x
  3. Step 3: Cross multiply
    898,325,009.40x = 1,347,487,514.10 × 766,811,076.60
  4. Step 4: Simplify right side
    898,325,009.40x = 1,033,268,351,392,078,592
  5. Step 5: Solve for x
    x = 1,033,268,351,392,078,592/898,325,009.40
  6. Step 6: Final answer
    x = 1,150,216,614.90

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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.