Home / 393,336,148.80-590,004,223.20-240,281,140.80

Finding the Fourth Proportional to 393,336,148.80, 590,004,223.20 and 240,281,140.80

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Solution

The fourth proportional to 393,336,148.80, 590,004,223.20 and 240,281,140.80 is: 360,421,711.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,336,148.80 : 590,004,223.20 = 240,281,140.80 : x
  2. Step 2: Convert to fraction form
    393,336,148.80/590,004,223.20 = 240,281,140.80/x
  3. Step 3: Cross multiply
    393,336,148.80x = 590,004,223.20 × 240,281,140.80
  4. Step 4: Simplify right side
    393,336,148.80x = 141,766,887,827,313,840
  5. Step 5: Solve for x
    x = 141,766,887,827,313,840/393,336,148.80
  6. Step 6: Final answer
    x = 360,421,711.20

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Double scale
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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.