Home / 351,995,978,934.08-485,766,184,218.40-197,698,849,400.64

Finding the Fourth Proportional to 351,995,978,934.08, 485,766,184,218.40 and 197,698,849,400.64

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Solution

The fourth proportional to 351,995,978,934.08, 485,766,184,218.40 and 197,698,849,400.64 is: 272,831,002,185.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,995,978,934.08 : 485,766,184,218.40 = 197,698,849,400.64 : x
  2. Step 2: Convert to fraction form
    351,995,978,934.08/485,766,184,218.40 = 197,698,849,400.64/x
  3. Step 3: Cross multiply
    351,995,978,934.08x = 485,766,184,218.40 × 197,698,849,400.64
  4. Step 4: Simplify right side
    351,995,978,934.08x = 96,035,415,697,717,026,881,536
  5. Step 5: Solve for x
    x = 96,035,415,697,717,026,881,536/351,995,978,934.08
  6. Step 6: Final answer
    x = 272,831,002,185.12

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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.