Home / 1,273,192,119.20-1,757,005,205.51-708,664,848.11

Finding the Fourth Proportional to 1,273,192,119.20, 1,757,005,205.51 and 708,664,848.11

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Solution

The fourth proportional to 1,273,192,119.20, 1,757,005,205.51 and 708,664,848.11 is: 977,957,535.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,192,119.20 : 1,757,005,205.51 = 708,664,848.11 : x
  2. Step 2: Convert to fraction form
    1,273,192,119.20/1,757,005,205.51 = 708,664,848.11/x
  3. Step 3: Cross multiply
    1,273,192,119.20x = 1,757,005,205.51 × 708,664,848.11
  4. Step 4: Simplify right side
    1,273,192,119.20x = 1,245,127,827,090,798,848
  5. Step 5: Solve for x
    x = 1,245,127,827,090,798,848/1,273,192,119.20
  6. Step 6: Final answer
    x = 977,957,535.48

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1.5x scale

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.