Home / 516,206,139.95-774,451,525.61-205,531,927.25

Finding the Fourth Proportional to 516,206,139.95, 774,451,525.61 and 205,531,927.25

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Solution

The fourth proportional to 516,206,139.95, 774,451,525.61 and 205,531,927.25 is: 308,354,555.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,206,139.95 : 774,451,525.61 = 205,531,927.25 : x
  2. Step 2: Convert to fraction form
    516,206,139.95/774,451,525.61 = 205,531,927.25/x
  3. Step 3: Cross multiply
    516,206,139.95x = 774,451,525.61 × 205,531,927.25
  4. Step 4: Simplify right side
    516,206,139.95x = 159,174,514,616,967,584
  5. Step 5: Solve for x
    x = 159,174,514,616,967,584/516,206,139.95
  6. Step 6: Final answer
    x = 308,354,555.08

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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.