Home / 2,116,555,005.16-3,174,627,221.34-642,707,594.92

Finding the Fourth Proportional to 2,116,555,005.16, 3,174,627,221.34 and 642,707,594.92

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Solution

The fourth proportional to 2,116,555,005.16, 3,174,627,221.34 and 642,707,594.92 is: 963,999,055.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,116,555,005.16 : 3,174,627,221.34 = 642,707,594.92 : x
  2. Step 2: Convert to fraction form
    2,116,555,005.16/3,174,627,221.34 = 642,707,594.92/x
  3. Step 3: Cross multiply
    2,116,555,005.16x = 3,174,627,221.34 × 642,707,594.92
  4. Step 4: Simplify right side
    2,116,555,005.16x = 2,040,357,026,194,993,920
  5. Step 5: Solve for x
    x = 2,040,357,026,194,993,920/2,116,555,005.16
  6. Step 6: Final answer
    x = 963,999,055.65

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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.