Home / 487,362,329.19-730,971,585.18-142,223,286.15

Finding the Fourth Proportional to 487,362,329.19, 730,971,585.18 and 142,223,286.15

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Solution

The fourth proportional to 487,362,329.19, 730,971,585.18 and 142,223,286.15 is: 213,313,944.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,362,329.19 : 730,971,585.18 = 142,223,286.15 : x
  2. Step 2: Convert to fraction form
    487,362,329.19/730,971,585.18 = 142,223,286.15/x
  3. Step 3: Cross multiply
    487,362,329.19x = 730,971,585.18 × 142,223,286.15
  4. Step 4: Simplify right side
    487,362,329.19x = 103,961,180,926,574,240
  5. Step 5: Solve for x
    x = 103,961,180,926,574,240/487,362,329.19
  6. Step 6: Final answer
    x = 213,313,944.68

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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.