Home / 1,948,343,197.23-2,689,004,731.60-1,533,775,127.31

Finding the Fourth Proportional to 1,948,343,197.23, 2,689,004,731.60 and 1,533,775,127.31

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Solution

The fourth proportional to 1,948,343,197.23, 2,689,004,731.60 and 1,533,775,127.31 is: 2,116,838,850.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,948,343,197.23 : 2,689,004,731.60 = 1,533,775,127.31 : x
  2. Step 2: Convert to fraction form
    1,948,343,197.23/2,689,004,731.60 = 1,533,775,127.31/x
  3. Step 3: Cross multiply
    1,948,343,197.23x = 2,689,004,731.60 × 1,533,775,127.31
  4. Step 4: Simplify right side
    1,948,343,197.23x = 4,124,328,574,546,981,888
  5. Step 5: Solve for x
    x = 4,124,328,574,546,981,888/1,948,343,197.23
  6. Step 6: Final answer
    x = 2,116,838,850.78

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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.