Home / 6,870,989,546.60-10,309,507,628.70-3,188,599,428.20

Finding the Fourth Proportional to 6,870,989,546.60, 10,309,507,628.70 and 3,188,599,428.20

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Solution

The fourth proportional to 6,870,989,546.60, 10,309,507,628.70 and 3,188,599,428.20 is: 4,784,302,160.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,870,989,546.60 : 10,309,507,628.70 = 3,188,599,428.20 : x
  2. Step 2: Convert to fraction form
    6,870,989,546.60/10,309,507,628.70 = 3,188,599,428.20/x
  3. Step 3: Cross multiply
    6,870,989,546.60x = 10,309,507,628.70 × 3,188,599,428.20
  4. Step 4: Simplify right side
    6,870,989,546.60x = 32,872,890,129,896,357,888
  5. Step 5: Solve for x
    x = 32,872,890,129,896,357,888/6,870,989,546.60
  6. Step 6: Final answer
    x = 4,784,302,160.11

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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.