Home / 39,807,537,689.80-59,711,529,771.07-13,277,981,421.53

Finding the Fourth Proportional to 39,807,537,689.80, 59,711,529,771.07 and 13,277,981,421.53

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Solution

The fourth proportional to 39,807,537,689.80, 59,711,529,771.07 and 13,277,981,421.53 is: 19,917,046,593.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,807,537,689.80 : 59,711,529,771.07 = 13,277,981,421.53 : x
  2. Step 2: Convert to fraction form
    39,807,537,689.80/59,711,529,771.07 = 13,277,981,421.53/x
  3. Step 3: Cross multiply
    39,807,537,689.80x = 59,711,529,771.07 × 13,277,981,421.53
  4. Step 4: Simplify right side
    39,807,537,689.80x = 792,848,582,951,336,673,280
  5. Step 5: Solve for x
    x = 792,848,582,951,336,673,280/39,807,537,689.80
  6. Step 6: Final answer
    x = 19,917,046,593.78

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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.