Home / 671,423,340,140.98-1,006,848,320,055.60-388,637,376,110.26

Finding the Fourth Proportional to 671,423,340,140.98, 1,006,848,320,055.60 and 388,637,376,110.26

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Solution

The fourth proportional to 671,423,340,140.98, 1,006,848,320,055.60 and 388,637,376,110.26 is: 582,790,120,410.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,423,340,140.98 : 1,006,848,320,055.60 = 388,637,376,110.26 : x
  2. Step 2: Convert to fraction form
    671,423,340,140.98/1,006,848,320,055.60 = 388,637,376,110.26/x
  3. Step 3: Cross multiply
    671,423,340,140.98x = 1,006,848,320,055.60 × 388,637,376,110.26
  4. Step 4: Simplify right side
    671,423,340,140.98x = 391,298,889,247,431,621,345,280
  5. Step 5: Solve for x
    x = 391,298,889,247,431,621,345,280/671,423,340,140.98
  6. Step 6: Final answer
    x = 582,790,120,410.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.