Home / 746,426,457.76-1,119,635,700.66-193,728,481.96

Finding the Fourth Proportional to 746,426,457.76, 1,119,635,700.66 and 193,728,481.96

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Solution

The fourth proportional to 746,426,457.76, 1,119,635,700.66 and 193,728,481.96 is: 290,591,688.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,426,457.76 : 1,119,635,700.66 = 193,728,481.96 : x
  2. Step 2: Convert to fraction form
    746,426,457.76/1,119,635,700.66 = 193,728,481.96/x
  3. Step 3: Cross multiply
    746,426,457.76x = 1,119,635,700.66 × 193,728,481.96
  4. Step 4: Simplify right side
    746,426,457.76x = 216,905,324,637,082,784
  5. Step 5: Solve for x
    x = 216,905,324,637,082,784/746,426,457.76
  6. Step 6: Final answer
    x = 290,591,688.41

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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.