Home / 52,680,282,063.63-79,035,945,896.56-21,221,743,080.75

Finding the Fourth Proportional to 52,680,282,063.63, 79,035,945,896.56 and 21,221,743,080.75

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Solution

The fourth proportional to 52,680,282,063.63, 79,035,945,896.56 and 21,221,743,080.75 is: 31,838,867,831.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,680,282,063.63 : 79,035,945,896.56 = 21,221,743,080.75 : x
  2. Step 2: Convert to fraction form
    52,680,282,063.63/79,035,945,896.56 = 21,221,743,080.75/x
  3. Step 3: Cross multiply
    52,680,282,063.63x = 79,035,945,896.56 × 21,221,743,080.75
  4. Step 4: Simplify right side
    52,680,282,063.63x = 1,677,280,537,960,853,536,768
  5. Step 5: Solve for x
    x = 1,677,280,537,960,853,536,768/52,680,282,063.63
  6. Step 6: Final answer
    x = 31,838,867,831.71

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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.