Home / 14,557,655,999.70-21,836,483,999.55-7,211,015,615.70

Finding the Fourth Proportional to 14,557,655,999.70, 21,836,483,999.55 and 7,211,015,615.70

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Solution

The fourth proportional to 14,557,655,999.70, 21,836,483,999.55 and 7,211,015,615.70 is: 10,816,523,423.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,557,655,999.70 : 21,836,483,999.55 = 7,211,015,615.70 : x
  2. Step 2: Convert to fraction form
    14,557,655,999.70/21,836,483,999.55 = 7,211,015,615.70/x
  3. Step 3: Cross multiply
    14,557,655,999.70x = 21,836,483,999.55 × 7,211,015,615.70
  4. Step 4: Simplify right side
    14,557,655,999.70x = 157,463,227,112,738,226,176
  5. Step 5: Solve for x
    x = 157,463,227,112,738,226,176/14,557,655,999.70
  6. Step 6: Final answer
    x = 10,816,523,423.55

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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.