Home / 397,780,392,820.05-549,039,077,195.30-259,077,310,144.32

Finding the Fourth Proportional to 397,780,392,820.05, 549,039,077,195.30 and 259,077,310,144.32

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Solution

The fourth proportional to 397,780,392,820.05, 549,039,077,195.30 and 259,077,310,144.32 is: 357,593,209,347.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,780,392,820.05 : 549,039,077,195.30 = 259,077,310,144.32 : x
  2. Step 2: Convert to fraction form
    397,780,392,820.05/549,039,077,195.30 = 259,077,310,144.32/x
  3. Step 3: Cross multiply
    397,780,392,820.05x = 549,039,077,195.30 × 259,077,310,144.32
  4. Step 4: Simplify right side
    397,780,392,820.05x = 142,243,567,283,877,988,794,368
  5. Step 5: Solve for x
    x = 142,243,567,283,877,988,794,368/397,780,392,820.05
  6. Step 6: Final answer
    x = 357,593,209,347.12

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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.