Home / 555,382,268.24-766,433,752.56-317,258,974.52

Finding the Fourth Proportional to 555,382,268.24, 766,433,752.56 and 317,258,974.52

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Solution

The fourth proportional to 555,382,268.24, 766,433,752.56 and 317,258,974.52 is: 437,820,939.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,382,268.24 : 766,433,752.56 = 317,258,974.52 : x
  2. Step 2: Convert to fraction form
    555,382,268.24/766,433,752.56 = 317,258,974.52/x
  3. Step 3: Cross multiply
    555,382,268.24x = 766,433,752.56 × 317,258,974.52
  4. Step 4: Simplify right side
    555,382,268.24x = 243,157,986,374,700,992
  5. Step 5: Solve for x
    x = 243,157,986,374,700,992/555,382,268.24
  6. Step 6: Final answer
    x = 437,820,939.34

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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.