Home / 778,842,905.40-1,168,264,358.10-226,144,265.40

Finding the Fourth Proportional to 778,842,905.40, 1,168,264,358.10 and 226,144,265.40

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Solution

The fourth proportional to 778,842,905.40, 1,168,264,358.10 and 226,144,265.40 is: 339,216,398.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,842,905.40 : 1,168,264,358.10 = 226,144,265.40 : x
  2. Step 2: Convert to fraction form
    778,842,905.40/1,168,264,358.10 = 226,144,265.40/x
  3. Step 3: Cross multiply
    778,842,905.40x = 1,168,264,358.10 × 226,144,265.40
  4. Step 4: Simplify right side
    778,842,905.40x = 264,196,285,055,527,040
  5. Step 5: Solve for x
    x = 264,196,285,055,527,040/778,842,905.40
  6. Step 6: Final answer
    x = 339,216,398.10

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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.