Home / 3,119,496,964.19-4,305,009,919.77-1,709,804,539.20

Finding the Fourth Proportional to 3,119,496,964.19, 4,305,009,919.77 and 1,709,804,539.20

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Solution

The fourth proportional to 3,119,496,964.19, 4,305,009,919.77 and 1,709,804,539.20 is: 2,359,587,326.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,496,964.19 : 4,305,009,919.77 = 1,709,804,539.20 : x
  2. Step 2: Convert to fraction form
    3,119,496,964.19/4,305,009,919.77 = 1,709,804,539.20/x
  3. Step 3: Cross multiply
    3,119,496,964.19x = 4,305,009,919.77 × 1,709,804,539.20
  4. Step 4: Simplify right side
    3,119,496,964.19x = 7,360,725,502,123,774,976
  5. Step 5: Solve for x
    x = 7,360,725,502,123,774,976/3,119,496,964.19
  6. Step 6: Final answer
    x = 2,359,587,326.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.