Home / 522,398,567.39-720,888,409.01-284,244,732.05

Finding the Fourth Proportional to 522,398,567.39, 720,888,409.01 and 284,244,732.05

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Solution

The fourth proportional to 522,398,567.39, 720,888,409.01 and 284,244,732.05 is: 392,245,969.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,398,567.39 : 720,888,409.01 = 284,244,732.05 : x
  2. Step 2: Convert to fraction form
    522,398,567.39/720,888,409.01 = 284,244,732.05/x
  3. Step 3: Cross multiply
    522,398,567.39x = 720,888,409.01 × 284,244,732.05
  4. Step 4: Simplify right side
    522,398,567.39x = 204,908,732,651,972,608
  5. Step 5: Solve for x
    x = 204,908,732,651,972,608/522,398,567.39
  6. Step 6: Final answer
    x = 392,245,969.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.