Home / 677,932,661.06-935,495,422.47-380,517,442.68

Finding the Fourth Proportional to 677,932,661.06, 935,495,422.47 and 380,517,442.68

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Solution

The fourth proportional to 677,932,661.06, 935,495,422.47 and 380,517,442.68 is: 525,085,080.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,932,661.06 : 935,495,422.47 = 380,517,442.68 : x
  2. Step 2: Convert to fraction form
    677,932,661.06/935,495,422.47 = 380,517,442.68/x
  3. Step 3: Cross multiply
    677,932,661.06x = 935,495,422.47 × 380,517,442.68
  4. Step 4: Simplify right side
    677,932,661.06x = 355,972,325,797,130,624
  5. Step 5: Solve for x
    x = 355,972,325,797,130,624/677,932,661.06
  6. Step 6: Final answer
    x = 525,085,080.34

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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.