Home / 673,988,727.70-1,010,983,091.55-382,743,313.30

Finding the Fourth Proportional to 673,988,727.70, 1,010,983,091.55 and 382,743,313.30

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Solution

The fourth proportional to 673,988,727.70, 1,010,983,091.55 and 382,743,313.30 is: 574,114,969.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,988,727.70 : 1,010,983,091.55 = 382,743,313.30 : x
  2. Step 2: Convert to fraction form
    673,988,727.70/1,010,983,091.55 = 382,743,313.30/x
  3. Step 3: Cross multiply
    673,988,727.70x = 1,010,983,091.55 × 382,743,313.30
  4. Step 4: Simplify right side
    673,988,727.70x = 386,947,018,150,124,224
  5. Step 5: Solve for x
    x = 386,947,018,150,124,224/673,988,727.70
  6. Step 6: Final answer
    x = 574,114,969.95

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Double scale
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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.