Home / 613,565,742.83-920,478,029.96-199,010,368.44

Finding the Fourth Proportional to 613,565,742.83, 920,478,029.96 and 199,010,368.44

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Solution

The fourth proportional to 613,565,742.83, 920,478,029.96 and 199,010,368.44 is: 298,557,528.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,565,742.83 : 920,478,029.96 = 199,010,368.44 : x
  2. Step 2: Convert to fraction form
    613,565,742.83/920,478,029.96 = 199,010,368.44/x
  3. Step 3: Cross multiply
    613,565,742.83x = 920,478,029.96 × 199,010,368.44
  4. Step 4: Simplify right side
    613,565,742.83x = 183,184,671,883,762,464
  5. Step 5: Solve for x
    x = 183,184,671,883,762,464/613,565,742.83
  6. Step 6: Final answer
    x = 298,557,528.72

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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.