Home / 313,965,289-470,911,999.06-83,952,309.79

Finding the Fourth Proportional to 313,965,289, 470,911,999.06 and 83,952,309.79

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Solution

The fourth proportional to 313,965,289, 470,911,999.06 and 83,952,309.79 is: 125,918,856.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,965,289 : 470,911,999.06 = 83,952,309.79 : x
  2. Step 2: Convert to fraction form
    313,965,289/470,911,999.06 = 83,952,309.79/x
  3. Step 3: Cross multiply
    313,965,289x = 470,911,999.06 × 83,952,309.79
  4. Step 4: Simplify right side
    313,965,289x = 39,534,150,028,913,312
  5. Step 5: Solve for x
    x = 39,534,150,028,913,312/313,965,289
  6. Step 6: Final answer
    x = 125,918,856.05

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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.