Home / 513,541,007.60-770,809,632.89-247,833,708.91

Finding the Fourth Proportional to 513,541,007.60, 770,809,632.89 and 247,833,708.91

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Solution

The fourth proportional to 513,541,007.60, 770,809,632.89 and 247,833,708.91 is: 371,990,955.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,541,007.60 : 770,809,632.89 = 247,833,708.91 : x
  2. Step 2: Convert to fraction form
    513,541,007.60/770,809,632.89 = 247,833,708.91/x
  3. Step 3: Cross multiply
    513,541,007.60x = 770,809,632.89 × 247,833,708.91
  4. Step 4: Simplify right side
    513,541,007.60x = 191,032,610,181,376,800
  5. Step 5: Solve for x
    x = 191,032,610,181,376,800/513,541,007.60
  6. Step 6: Final answer
    x = 371,990,955.65

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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.