Home / 2,239,490,243.20-3,359,235,364.80-1,378,332,457.60

Finding the Fourth Proportional to 2,239,490,243.20, 3,359,235,364.80 and 1,378,332,457.60

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Solution

The fourth proportional to 2,239,490,243.20, 3,359,235,364.80 and 1,378,332,457.60 is: 2,067,498,686.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,239,490,243.20 : 3,359,235,364.80 = 1,378,332,457.60 : x
  2. Step 2: Convert to fraction form
    2,239,490,243.20/3,359,235,364.80 = 1,378,332,457.60/x
  3. Step 3: Cross multiply
    2,239,490,243.20x = 3,359,235,364.80 × 1,378,332,457.60
  4. Step 4: Simplify right side
    2,239,490,243.20x = 4,630,143,136,021,616,640
  5. Step 5: Solve for x
    x = 4,630,143,136,021,616,640/2,239,490,243.20
  6. Step 6: Final answer
    x = 2,067,498,686.40

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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.