Home / 1,948,343,964.50-2,689,005,790.42-1,533,775,894.58

Finding the Fourth Proportional to 1,948,343,964.50, 2,689,005,790.42 and 1,533,775,894.58

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Solution

The fourth proportional to 1,948,343,964.50, 2,689,005,790.42 and 1,533,775,894.58 is: 2,116,839,909.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,948,343,964.50 : 2,689,005,790.42 = 1,533,775,894.58 : x
  2. Step 2: Convert to fraction form
    1,948,343,964.50/2,689,005,790.42 = 1,533,775,894.58/x
  3. Step 3: Cross multiply
    1,948,343,964.50x = 2,689,005,790.42 × 1,533,775,894.58
  4. Step 4: Simplify right side
    1,948,343,964.50x = 4,124,332,261,732,235,264
  5. Step 5: Solve for x
    x = 4,124,332,261,732,235,264/1,948,343,964.50
  6. Step 6: Final answer
    x = 2,116,839,909.63

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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.