Home / 403,393,465.76-556,668,285.78-224,768,124.84

Finding the Fourth Proportional to 403,393,465.76, 556,668,285.78 and 224,768,124.84

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Solution

The fourth proportional to 403,393,465.76, 556,668,285.78 and 224,768,124.84 is: 310,171,823.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,393,465.76 : 556,668,285.78 = 224,768,124.84 : x
  2. Step 2: Convert to fraction form
    403,393,465.76/556,668,285.78 = 224,768,124.84/x
  3. Step 3: Cross multiply
    403,393,465.76x = 556,668,285.78 × 224,768,124.84
  4. Step 4: Simplify right side
    403,393,465.76x = 125,121,286,752,667,840
  5. Step 5: Solve for x
    x = 125,121,286,752,667,840/403,393,465.76
  6. Step 6: Final answer
    x = 310,171,823.23

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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.