Home / 822,885,749.16-1,234,449,083.97-386,230,787.16

Finding the Fourth Proportional to 822,885,749.16, 1,234,449,083.97 and 386,230,787.16

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Solution

The fourth proportional to 822,885,749.16, 1,234,449,083.97 and 386,230,787.16 is: 579,402,720.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,885,749.16 : 1,234,449,083.97 = 386,230,787.16 : x
  2. Step 2: Convert to fraction form
    822,885,749.16/1,234,449,083.97 = 386,230,787.16/x
  3. Step 3: Cross multiply
    822,885,749.16x = 1,234,449,083.97 × 386,230,787.16
  4. Step 4: Simplify right side
    822,885,749.16x = 476,782,241,410,674,112
  5. Step 5: Solve for x
    x = 476,782,241,410,674,112/822,885,749.16
  6. Step 6: Final answer
    x = 579,402,720.12

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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.