Home / 1,086,402,815.80-1,629,604,223.70-396,332,582.20

Finding the Fourth Proportional to 1,086,402,815.80, 1,629,604,223.70 and 396,332,582.20

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Solution

The fourth proportional to 1,086,402,815.80, 1,629,604,223.70 and 396,332,582.20 is: 594,498,873.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,402,815.80 : 1,629,604,223.70 = 396,332,582.20 : x
  2. Step 2: Convert to fraction form
    1,086,402,815.80/1,629,604,223.70 = 396,332,582.20/x
  3. Step 3: Cross multiply
    1,086,402,815.80x = 1,629,604,223.70 × 396,332,582.20
  4. Step 4: Simplify right side
    1,086,402,815.80x = 645,865,249,943,047,424
  5. Step 5: Solve for x
    x = 645,865,249,943,047,424/1,086,402,815.80
  6. Step 6: Final answer
    x = 594,498,873.30

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.