Home / 1,052,885,671.92-1,578,738,083.04-721,267,362.72

Finding the Fourth Proportional to 1,052,885,671.92, 1,578,738,083.04 and 721,267,362.72

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Solution

The fourth proportional to 1,052,885,671.92, 1,578,738,083.04 and 721,267,362.72 is: 1,081,496,580.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,052,885,671.92 : 1,578,738,083.04 = 721,267,362.72 : x
  2. Step 2: Convert to fraction form
    1,052,885,671.92/1,578,738,083.04 = 721,267,362.72/x
  3. Step 3: Cross multiply
    1,052,885,671.92x = 1,578,738,083.04 × 721,267,362.72
  4. Step 4: Simplify right side
    1,052,885,671.92x = 1,138,692,253,579,889,152
  5. Step 5: Solve for x
    x = 1,138,692,253,579,889,152/1,052,885,671.92
  6. Step 6: Final answer
    x = 1,081,496,580.25

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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.