Home / 1,280,827,492.62-1,767,543,451.83-694,116,628.62

Finding the Fourth Proportional to 1,280,827,492.62, 1,767,543,451.83 and 694,116,628.62

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Solution

The fourth proportional to 1,280,827,492.62, 1,767,543,451.83 and 694,116,628.62 is: 957,881,766.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,827,492.62 : 1,767,543,451.83 = 694,116,628.62 : x
  2. Step 2: Convert to fraction form
    1,280,827,492.62/1,767,543,451.83 = 694,116,628.62/x
  3. Step 3: Cross multiply
    1,280,827,492.62x = 1,767,543,451.83 × 694,116,628.62
  4. Step 4: Simplify right side
    1,280,827,492.62x = 1,226,881,301,723,596,800
  5. Step 5: Solve for x
    x = 1,226,881,301,723,596,800/1,280,827,492.62
  6. Step 6: Final answer
    x = 957,881,766.90

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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.