Home / 1,055,247,702.48-1,582,885,024.56-278,886,656.40

Finding the Fourth Proportional to 1,055,247,702.48, 1,582,885,024.56 and 278,886,656.40

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Solution

The fourth proportional to 1,055,247,702.48, 1,582,885,024.56 and 278,886,656.40 is: 418,333,544.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,247,702.48 : 1,582,885,024.56 = 278,886,656.40 : x
  2. Step 2: Convert to fraction form
    1,055,247,702.48/1,582,885,024.56 = 278,886,656.40/x
  3. Step 3: Cross multiply
    1,055,247,702.48x = 1,582,885,024.56 × 278,886,656.40
  4. Step 4: Simplify right side
    1,055,247,702.48x = 441,445,511,965,170,240
  5. Step 5: Solve for x
    x = 441,445,511,965,170,240/1,055,247,702.48
  6. Step 6: Final answer
    x = 418,333,544.75

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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.