Home / 509,841,173.46-703,540,574.52-286,778,446.14

Finding the Fourth Proportional to 509,841,173.46, 703,540,574.52 and 286,778,446.14

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Solution

The fourth proportional to 509,841,173.46, 703,540,574.52 and 286,778,446.14 is: 395,731,618.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,841,173.46 : 703,540,574.52 = 286,778,446.14 : x
  2. Step 2: Convert to fraction form
    509,841,173.46/703,540,574.52 = 286,778,446.14/x
  3. Step 3: Cross multiply
    509,841,173.46x = 703,540,574.52 × 286,778,446.14
  4. Step 4: Simplify right side
    509,841,173.46x = 201,760,272,757,288,448
  5. Step 5: Solve for x
    x = 201,760,272,757,288,448/509,841,173.46
  6. Step 6: Final answer
    x = 395,731,618.51

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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.