Home / 650,373,851.25-975,752,416.40-261,996,826.77

Finding the Fourth Proportional to 650,373,851.25, 975,752,416.40 and 261,996,826.77

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Solution

The fourth proportional to 650,373,851.25, 975,752,416.40 and 261,996,826.77 is: 393,072,440.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,373,851.25 : 975,752,416.40 = 261,996,826.77 : x
  2. Step 2: Convert to fraction form
    650,373,851.25/975,752,416.40 = 261,996,826.77/x
  3. Step 3: Cross multiply
    650,373,851.25x = 975,752,416.40 × 261,996,826.77
  4. Step 4: Simplify right side
    650,373,851.25x = 255,644,036,808,649,728
  5. Step 5: Solve for x
    x = 255,644,036,808,649,728/650,373,851.25
  6. Step 6: Final answer
    x = 393,072,440.29

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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.