Home / 807,468,877.08-1,211,418,632.34-289,903,801.59

Finding the Fourth Proportional to 807,468,877.08, 1,211,418,632.34 and 289,903,801.59

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Solution

The fourth proportional to 807,468,877.08, 1,211,418,632.34 and 289,903,801.59 is: 434,933,007.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,468,877.08 : 1,211,418,632.34 = 289,903,801.59 : x
  2. Step 2: Convert to fraction form
    807,468,877.08/1,211,418,632.34 = 289,903,801.59/x
  3. Step 3: Cross multiply
    807,468,877.08x = 1,211,418,632.34 × 289,903,801.59
  4. Step 4: Simplify right side
    807,468,877.08x = 351,194,866,832,324,480
  5. Step 5: Solve for x
    x = 351,194,866,832,324,480/807,468,877.08
  6. Step 6: Final answer
    x = 434,933,007.08

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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.