Home / 9,657,816,012.80-14,486,724,019.20-7,912,988,921.60

Finding the Fourth Proportional to 9,657,816,012.80, 14,486,724,019.20 and 7,912,988,921.60

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Solution

The fourth proportional to 9,657,816,012.80, 14,486,724,019.20 and 7,912,988,921.60 is: 11,869,483,382.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,657,816,012.80 : 14,486,724,019.20 = 7,912,988,921.60 : x
  2. Step 2: Convert to fraction form
    9,657,816,012.80/14,486,724,019.20 = 7,912,988,921.60/x
  3. Step 3: Cross multiply
    9,657,816,012.80x = 14,486,724,019.20 × 7,912,988,921.60
  4. Step 4: Simplify right side
    9,657,816,012.80x = 114,633,286,674,206,244,864
  5. Step 5: Solve for x
    x = 114,633,286,674,206,244,864/9,657,816,012.80
  6. Step 6: Final answer
    x = 11,869,483,382.40

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Double scale
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Similar ratio
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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.