Home / 18,551,838,574.35-27,827,757,861.53-9,705,259,111.95

Finding the Fourth Proportional to 18,551,838,574.35, 27,827,757,861.53 and 9,705,259,111.95

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Solution

The fourth proportional to 18,551,838,574.35, 27,827,757,861.53 and 9,705,259,111.95 is: 14,557,888,667.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,551,838,574.35 : 27,827,757,861.53 = 9,705,259,111.95 : x
  2. Step 2: Convert to fraction form
    18,551,838,574.35/27,827,757,861.53 = 9,705,259,111.95/x
  3. Step 3: Cross multiply
    18,551,838,574.35x = 27,827,757,861.53 × 9,705,259,111.95
  4. Step 4: Simplify right side
    18,551,838,574.35x = 270,075,600,550,703,792,128
  5. Step 5: Solve for x
    x = 270,075,600,550,703,792,128/18,551,838,574.35
  6. Step 6: Final answer
    x = 14,557,888,667.93

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Double scale
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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.