Home / 1,639,396,722.88-2,262,385,333.92-896,824,842.40

Finding the Fourth Proportional to 1,639,396,722.88, 2,262,385,333.92 and 896,824,842.40

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Solution

The fourth proportional to 1,639,396,722.88, 2,262,385,333.92 and 896,824,842.40 is: 1,237,628,050.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,396,722.88 : 2,262,385,333.92 = 896,824,842.40 : x
  2. Step 2: Convert to fraction form
    1,639,396,722.88/2,262,385,333.92 = 896,824,842.40/x
  3. Step 3: Cross multiply
    1,639,396,722.88x = 2,262,385,333.92 × 896,824,842.40
  4. Step 4: Simplify right side
    1,639,396,722.88x = 2,028,963,370,540,875,264
  5. Step 5: Solve for x
    x = 2,028,963,370,540,875,264/1,639,396,722.88
  6. Step 6: Final answer
    x = 1,237,628,050.75

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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.