Home / 15,352,151,858.73-21,184,654,685.54-8,834,454,327.51

Finding the Fourth Proportional to 15,352,151,858.73, 21,184,654,685.54 and 8,834,454,327.51

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Solution

The fourth proportional to 15,352,151,858.73, 21,184,654,685.54 and 8,834,454,327.51 is: 12,190,790,319.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,352,151,858.73 : 21,184,654,685.54 = 8,834,454,327.51 : x
  2. Step 2: Convert to fraction form
    15,352,151,858.73/21,184,654,685.54 = 8,834,454,327.51/x
  3. Step 3: Cross multiply
    15,352,151,858.73x = 21,184,654,685.54 × 8,834,454,327.51
  4. Step 4: Simplify right side
    15,352,151,858.73x = 187,154,864,263,429,685,248
  5. Step 5: Solve for x
    x = 187,154,864,263,429,685,248/15,352,151,858.73
  6. Step 6: Final answer
    x = 12,190,790,319.53

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Double scale
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1.5x scale

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.