Home / 13,784,711,051.70-19,022,399,028.69-7,680,748,229.85

Finding the Fourth Proportional to 13,784,711,051.70, 19,022,399,028.69 and 7,680,748,229.85

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Solution

The fourth proportional to 13,784,711,051.70, 19,022,399,028.69 and 7,680,748,229.85 is: 10,599,152,722.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,784,711,051.70 : 19,022,399,028.69 = 7,680,748,229.85 : x
  2. Step 2: Convert to fraction form
    13,784,711,051.70/19,022,399,028.69 = 7,680,748,229.85/x
  3. Step 3: Cross multiply
    13,784,711,051.70x = 19,022,399,028.69 × 7,680,748,229.85
  4. Step 4: Simplify right side
    13,784,711,051.70x = 146,106,257,667,111,075,840
  5. Step 5: Solve for x
    x = 146,106,257,667,111,075,840/13,784,711,051.70
  6. Step 6: Final answer
    x = 10,599,152,722.11

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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.