Home / 652,543,442,994.15-900,557,545,938.98-378,259,906,570.08

Finding the Fourth Proportional to 652,543,442,994.15, 900,557,545,938.98 and 378,259,906,570.08

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Solution

The fourth proportional to 652,543,442,994.15, 900,557,545,938.98 and 378,259,906,570.08 is: 522,026,260,236.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,543,442,994.15 : 900,557,545,938.98 = 378,259,906,570.08 : x
  2. Step 2: Convert to fraction form
    652,543,442,994.15/900,557,545,938.98 = 378,259,906,570.08/x
  3. Step 3: Cross multiply
    652,543,442,994.15x = 900,557,545,938.98 × 378,259,906,570.08
  4. Step 4: Simplify right side
    652,543,442,994.15x = 340,644,813,187,859,076,874,240
  5. Step 5: Solve for x
    x = 340,644,813,187,859,076,874,240/652,543,442,994.15
  6. Step 6: Final answer
    x = 522,026,260,236.15

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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.