Home / 99,691,839,587.70-149,537,759,381.55-28,946,413,667.70

Finding the Fourth Proportional to 99,691,839,587.70, 149,537,759,381.55 and 28,946,413,667.70

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Solution

The fourth proportional to 99,691,839,587.70, 149,537,759,381.55 and 28,946,413,667.70 is: 43,419,620,501.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,691,839,587.70 : 149,537,759,381.55 = 28,946,413,667.70 : x
  2. Step 2: Convert to fraction form
    99,691,839,587.70/149,537,759,381.55 = 28,946,413,667.70/x
  3. Step 3: Cross multiply
    99,691,839,587.70x = 149,537,759,381.55 × 28,946,413,667.70
  4. Step 4: Simplify right side
    99,691,839,587.70x = 4,328,581,841,999,332,638,720
  5. Step 5: Solve for x
    x = 4,328,581,841,999,332,638,720/99,691,839,587.70
  6. Step 6: Final answer
    x = 43,419,620,501.55

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Double scale
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1.5x scale

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.