Home / 520,341,625.68-718,097,751.72-285,414,146.16

Finding the Fourth Proportional to 520,341,625.68, 718,097,751.72 and 285,414,146.16

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Solution

The fourth proportional to 520,341,625.68, 718,097,751.72 and 285,414,146.16 is: 393,885,952.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,341,625.68 : 718,097,751.72 = 285,414,146.16 : x
  2. Step 2: Convert to fraction form
    520,341,625.68/718,097,751.72 = 285,414,146.16/x
  3. Step 3: Cross multiply
    520,341,625.68x = 718,097,751.72 × 285,414,146.16
  4. Step 4: Simplify right side
    520,341,625.68x = 204,955,256,666,579,488
  5. Step 5: Solve for x
    x = 204,955,256,666,579,488/520,341,625.68
  6. Step 6: Final answer
    x = 393,885,952.14

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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.