Home / 486,347,737.69-729,566,453.55-158,824,967.40

Finding the Fourth Proportional to 486,347,737.69, 729,566,453.55 and 158,824,967.40

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Solution

The fourth proportional to 486,347,737.69, 729,566,453.55 and 158,824,967.40 is: 238,252,096.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,347,737.69 : 729,566,453.55 = 158,824,967.40 : x
  2. Step 2: Convert to fraction form
    486,347,737.69/729,566,453.55 = 158,824,967.40/x
  3. Step 3: Cross multiply
    486,347,737.69x = 729,566,453.55 × 158,824,967.40
  4. Step 4: Simplify right side
    486,347,737.69x = 115,873,368,201,809,552
  5. Step 5: Solve for x
    x = 115,873,368,201,809,552/486,347,737.69
  6. Step 6: Final answer
    x = 238,252,096.64

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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.