Home / 1,054,581,780.33-1,582,179,826.47-472,179,823.32

Finding the Fourth Proportional to 1,054,581,780.33, 1,582,179,826.47 and 472,179,823.32

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Solution

The fourth proportional to 1,054,581,780.33, 1,582,179,826.47 and 472,179,823.32 is: 708,407,261.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,581,780.33 : 1,582,179,826.47 = 472,179,823.32 : x
  2. Step 2: Convert to fraction form
    1,054,581,780.33/1,582,179,826.47 = 472,179,823.32/x
  3. Step 3: Cross multiply
    1,054,581,780.33x = 1,582,179,826.47 × 472,179,823.32
  4. Step 4: Simplify right side
    1,054,581,780.33x = 747,073,390,923,072,896
  5. Step 5: Solve for x
    x = 747,073,390,923,072,896/1,054,581,780.33
  6. Step 6: Final answer
    x = 708,407,261.40

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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.