Home / 284,378,721.86-426,584,025.93-79,890,854.06

Finding the Fourth Proportional to 284,378,721.86, 426,584,025.93 and 79,890,854.06

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Solution

The fourth proportional to 284,378,721.86, 426,584,025.93 and 79,890,854.06 is: 119,840,760.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,378,721.86 : 426,584,025.93 = 79,890,854.06 : x
  2. Step 2: Convert to fraction form
    284,378,721.86/426,584,025.93 = 79,890,854.06/x
  3. Step 3: Cross multiply
    284,378,721.86x = 426,584,025.93 × 79,890,854.06
  4. Step 4: Simplify right side
    284,378,721.86x = 34,080,162,157,767,968
  5. Step 5: Solve for x
    x = 34,080,162,157,767,968/284,378,721.86
  6. Step 6: Final answer
    x = 119,840,760.01

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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.