Home / 485,894,697.46-729,250,813.28-455,249,096.84

Finding the Fourth Proportional to 485,894,697.46, 729,250,813.28 and 455,249,096.84

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Solution

The fourth proportional to 485,894,697.46, 729,250,813.28 and 455,249,096.84 is: 683,256,631.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,894,697.46 : 729,250,813.28 = 455,249,096.84 : x
  2. Step 2: Convert to fraction form
    485,894,697.46/729,250,813.28 = 455,249,096.84/x
  3. Step 3: Cross multiply
    485,894,697.46x = 729,250,813.28 × 455,249,096.84
  4. Step 4: Simplify right side
    485,894,697.46x = 331,990,774,115,555,456
  5. Step 5: Solve for x
    x = 331,990,774,115,555,456/485,894,697.46
  6. Step 6: Final answer
    x = 683,256,631.22

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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.