Home / 452,358,954.46-678,149,820.44-157,215,732.12

Finding the Fourth Proportional to 452,358,954.46, 678,149,820.44 and 157,215,732.12

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Solution

The fourth proportional to 452,358,954.46, 678,149,820.44 and 157,215,732.12 is: 235,688,537.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,358,954.46 : 678,149,820.44 = 157,215,732.12 : x
  2. Step 2: Convert to fraction form
    452,358,954.46/678,149,820.44 = 157,215,732.12/x
  3. Step 3: Cross multiply
    452,358,954.46x = 678,149,820.44 × 157,215,732.12
  4. Step 4: Simplify right side
    452,358,954.46x = 106,615,820,507,521,152
  5. Step 5: Solve for x
    x = 106,615,820,507,521,152/452,358,954.46
  6. Step 6: Final answer
    x = 235,688,537.73

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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.