Home / 457,363,697.34-631,160,528.22-248,520,477.18

Finding the Fourth Proportional to 457,363,697.34, 631,160,528.22 and 248,520,477.18

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Solution

The fourth proportional to 457,363,697.34, 631,160,528.22 and 248,520,477.18 is: 342,957,511.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,363,697.34 : 631,160,528.22 = 248,520,477.18 : x
  2. Step 2: Convert to fraction form
    457,363,697.34/631,160,528.22 = 248,520,477.18/x
  3. Step 3: Cross multiply
    457,363,697.34x = 631,160,528.22 × 248,520,477.18
  4. Step 4: Simplify right side
    457,363,697.34x = 156,856,315,650,415,264
  5. Step 5: Solve for x
    x = 156,856,315,650,415,264/457,363,697.34
  6. Step 6: Final answer
    x = 342,957,511.85

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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.