Home / 1,262,310,472.80-1,893,465,709.20-826,954,005.60

Finding the Fourth Proportional to 1,262,310,472.80, 1,893,465,709.20 and 826,954,005.60

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Solution

The fourth proportional to 1,262,310,472.80, 1,893,465,709.20 and 826,954,005.60 is: 1,240,431,008.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,310,472.80 : 1,893,465,709.20 = 826,954,005.60 : x
  2. Step 2: Convert to fraction form
    1,262,310,472.80/1,893,465,709.20 = 826,954,005.60/x
  3. Step 3: Cross multiply
    1,262,310,472.80x = 1,893,465,709.20 × 826,954,005.60
  4. Step 4: Simplify right side
    1,262,310,472.80x = 1,565,809,052,689,184,768
  5. Step 5: Solve for x
    x = 1,565,809,052,689,184,768/1,262,310,472.80
  6. Step 6: Final answer
    x = 1,240,431,008.40

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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.