Home / 658,966,944.53-909,388,272.57-361,606,585.18

Finding the Fourth Proportional to 658,966,944.53, 909,388,272.57 and 361,606,585.18

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Solution

The fourth proportional to 658,966,944.53, 909,388,272.57 and 361,606,585.18 is: 499,024,709.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,966,944.53 : 909,388,272.57 = 361,606,585.18 : x
  2. Step 2: Convert to fraction form
    658,966,944.53/909,388,272.57 = 361,606,585.18/x
  3. Step 3: Cross multiply
    658,966,944.53x = 909,388,272.57 × 361,606,585.18
  4. Step 4: Simplify right side
    658,966,944.53x = 328,840,787,844,968,768
  5. Step 5: Solve for x
    x = 328,840,787,844,968,768/658,966,944.53
  6. Step 6: Final answer
    x = 499,024,709.17

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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.