Home / 778,842,906.40-1,168,264,359.60-226,144,266.40

Finding the Fourth Proportional to 778,842,906.40, 1,168,264,359.60 and 226,144,266.40

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Solution

The fourth proportional to 778,842,906.40, 1,168,264,359.60 and 226,144,266.40 is: 339,216,399.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,842,906.40 : 1,168,264,359.60 = 226,144,266.40 : x
  2. Step 2: Convert to fraction form
    778,842,906.40/1,168,264,359.60 = 226,144,266.40/x
  3. Step 3: Cross multiply
    778,842,906.40x = 1,168,264,359.60 × 226,144,266.40
  4. Step 4: Simplify right side
    778,842,906.40x = 264,196,286,563,007,776
  5. Step 5: Solve for x
    x = 264,196,286,563,007,776/778,842,906.40
  6. Step 6: Final answer
    x = 339,216,399.60

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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.