Home / 1,638,671,053.78-2,261,541,301.14-1,004,012,731.45

Finding the Fourth Proportional to 1,638,671,053.78, 2,261,541,301.14 and 1,004,012,731.45

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Solution

The fourth proportional to 1,638,671,053.78, 2,261,541,301.14 and 1,004,012,731.45 is: 1,385,644,943.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,671,053.78 : 2,261,541,301.14 = 1,004,012,731.45 : x
  2. Step 2: Convert to fraction form
    1,638,671,053.78/2,261,541,301.14 = 1,004,012,731.45/x
  3. Step 3: Cross multiply
    1,638,671,053.78x = 2,261,541,301.14 × 1,004,012,731.45
  4. Step 4: Simplify right side
    1,638,671,053.78x = 2,270,616,259,044,558,336
  5. Step 5: Solve for x
    x = 2,270,616,259,044,558,336/1,638,671,053.78
  6. Step 6: Final answer
    x = 1,385,644,943.08

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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.