Home / 1,022,979,076.80-1,534,667,680.80-440,712,196.80

Finding the Fourth Proportional to 1,022,979,076.80, 1,534,667,680.80 and 440,712,196.80

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Solution

The fourth proportional to 1,022,979,076.80, 1,534,667,680.80 and 440,712,196.80 is: 661,154,055.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,979,076.80 : 1,534,667,680.80 = 440,712,196.80 : x
  2. Step 2: Convert to fraction form
    1,022,979,076.80/1,534,667,680.80 = 440,712,196.80/x
  3. Step 3: Cross multiply
    1,022,979,076.80x = 1,534,667,680.80 × 440,712,196.80
  4. Step 4: Simplify right side
    1,022,979,076.80x = 676,346,764,963,329,152
  5. Step 5: Solve for x
    x = 676,346,764,963,329,152/1,022,979,076.80
  6. Step 6: Final answer
    x = 661,154,055.15

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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.