Home / 14,389,223,449.70-19,855,795,775.21-7,958,905,030.80

Finding the Fourth Proportional to 14,389,223,449.70, 19,855,795,775.21 and 7,958,905,030.80

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Solution

The fourth proportional to 14,389,223,449.70, 19,855,795,775.21 and 7,958,905,030.80 is: 10,982,551,868.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,389,223,449.70 : 19,855,795,775.21 = 7,958,905,030.80 : x
  2. Step 2: Convert to fraction form
    14,389,223,449.70/19,855,795,775.21 = 7,958,905,030.80/x
  3. Step 3: Cross multiply
    14,389,223,449.70x = 19,855,795,775.21 × 7,958,905,030.80
  4. Step 4: Simplify right side
    14,389,223,449.70x = 158,030,392,885,888,090,112
  5. Step 5: Solve for x
    x = 158,030,392,885,888,090,112/14,389,223,449.70
  6. Step 6: Final answer
    x = 10,982,551,868.65

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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.