Home / 455,685,254.76-628,832,655.54-267,510,522.72

Finding the Fourth Proportional to 455,685,254.76, 628,832,655.54 and 267,510,522.72

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Solution

The fourth proportional to 455,685,254.76, 628,832,655.54 and 267,510,522.72 is: 369,156,892.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,685,254.76 : 628,832,655.54 = 267,510,522.72 : x
  2. Step 2: Convert to fraction form
    455,685,254.76/628,832,655.54 = 267,510,522.72/x
  3. Step 3: Cross multiply
    455,685,254.76x = 628,832,655.54 × 267,510,522.72
  4. Step 4: Simplify right side
    455,685,254.76x = 168,219,352,386,911,104
  5. Step 5: Solve for x
    x = 168,219,352,386,911,104/455,685,254.76
  6. Step 6: Final answer
    x = 369,156,892.02

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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.