Home / 525,738,758.22-787,273,272.14-315,517,117.06

Finding the Fourth Proportional to 525,738,758.22, 787,273,272.14 and 315,517,117.06

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Solution

The fourth proportional to 525,738,758.22, 787,273,272.14 and 315,517,117.06 is: 472,474,568.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,738,758.22 : 787,273,272.14 = 315,517,117.06 : x
  2. Step 2: Convert to fraction form
    525,738,758.22/787,273,272.14 = 315,517,117.06/x
  3. Step 3: Cross multiply
    525,738,758.22x = 787,273,272.14 × 315,517,117.06
  4. Step 4: Simplify right side
    525,738,758.22x = 248,398,193,164,005,600
  5. Step 5: Solve for x
    x = 248,398,193,164,005,600/525,738,758.22
  6. Step 6: Final answer
    x = 472,474,568.94

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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.