Home / 1,226,940,139.60-1,840,410,209.40-709,104,029.20

Finding the Fourth Proportional to 1,226,940,139.60, 1,840,410,209.40 and 709,104,029.20

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Solution

The fourth proportional to 1,226,940,139.60, 1,840,410,209.40 and 709,104,029.20 is: 1,063,656,043.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,940,139.60 : 1,840,410,209.40 = 709,104,029.20 : x
  2. Step 2: Convert to fraction form
    1,226,940,139.60/1,840,410,209.40 = 709,104,029.20/x
  3. Step 3: Cross multiply
    1,226,940,139.60x = 1,840,410,209.40 × 709,104,029.20
  4. Step 4: Simplify right side
    1,226,940,139.60x = 1,305,042,294,866,355,968
  5. Step 5: Solve for x
    x = 1,305,042,294,866,355,968/1,226,940,139.60
  6. Step 6: Final answer
    x = 1,063,656,043.80

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1.5x scale

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.