Home / 52,680,282,062.63-79,035,945,895.06-21,221,743,079.75

Finding the Fourth Proportional to 52,680,282,062.63, 79,035,945,895.06 and 21,221,743,079.75

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Solution

The fourth proportional to 52,680,282,062.63, 79,035,945,895.06 and 21,221,743,079.75 is: 31,838,867,830.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,680,282,062.63 : 79,035,945,895.06 = 21,221,743,079.75 : x
  2. Step 2: Convert to fraction form
    52,680,282,062.63/79,035,945,895.06 = 21,221,743,079.75/x
  3. Step 3: Cross multiply
    52,680,282,062.63x = 79,035,945,895.06 × 21,221,743,079.75
  4. Step 4: Simplify right side
    52,680,282,062.63x = 1,677,280,537,849,483,493,376
  5. Step 5: Solve for x
    x = 1,677,280,537,849,483,493,376/52,680,282,062.63
  6. Step 6: Final answer
    x = 31,838,867,830.20

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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.