Home / 7,869,381,778.80-11,808,607,631.40-2,965,574,905.20

Finding the Fourth Proportional to 7,869,381,778.80, 11,808,607,631.40 and 2,965,574,905.20

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Solution

The fourth proportional to 7,869,381,778.80, 11,808,607,631.40 and 2,965,574,905.20 is: 4,450,071,357.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,869,381,778.80 : 11,808,607,631.40 = 2,965,574,905.20 : x
  2. Step 2: Convert to fraction form
    7,869,381,778.80/11,808,607,631.40 = 2,965,574,905.20/x
  3. Step 3: Cross multiply
    7,869,381,778.80x = 11,808,607,631.40 × 2,965,574,905.20
  4. Step 4: Simplify right side
    7,869,381,778.80x = 35,019,310,457,033,048,064
  5. Step 5: Solve for x
    x = 35,019,310,457,033,048,064/7,869,381,778.80
  6. Step 6: Final answer
    x = 4,450,071,357.75

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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.