Home / 1,159,743,288.16-1,600,445,974.44-638,222,520.16

Finding the Fourth Proportional to 1,159,743,288.16, 1,600,445,974.44 and 638,222,520.16

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Solution

The fourth proportional to 1,159,743,288.16, 1,600,445,974.44 and 638,222,520.16 is: 880,747,208.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,743,288.16 : 1,600,445,974.44 = 638,222,520.16 : x
  2. Step 2: Convert to fraction form
    1,159,743,288.16/1,600,445,974.44 = 638,222,520.16/x
  3. Step 3: Cross multiply
    1,159,743,288.16x = 1,600,445,974.44 × 638,222,520.16
  4. Step 4: Simplify right side
    1,159,743,288.16x = 1,021,440,663,187,023,744
  5. Step 5: Solve for x
    x = 1,021,440,663,187,023,744/1,159,743,288.16
  6. Step 6: Final answer
    x = 880,747,208.12

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Double scale
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1.5x scale

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.