Home / 518,444,137.48-777,666,993.54-211,736,250.36

Finding the Fourth Proportional to 518,444,137.48, 777,666,993.54 and 211,736,250.36

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Solution

The fourth proportional to 518,444,137.48, 777,666,993.54 and 211,736,250.36 is: 317,604,697.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,444,137.48 : 777,666,993.54 = 211,736,250.36 : x
  2. Step 2: Convert to fraction form
    518,444,137.48/777,666,993.54 = 211,736,250.36/x
  3. Step 3: Cross multiply
    518,444,137.48x = 777,666,993.54 × 211,736,250.36
  4. Step 4: Simplify right side
    518,444,137.48x = 164,660,293,239,393,312
  5. Step 5: Solve for x
    x = 164,660,293,239,393,312/518,444,137.48
  6. Step 6: Final answer
    x = 317,604,697.08

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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.