Home / 936,798,974.10-1,404,190,691.55-354,308,145.30

Finding the Fourth Proportional to 936,798,974.10, 1,404,190,691.55 and 354,308,145.30

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Solution

The fourth proportional to 936,798,974.10, 1,404,190,691.55 and 354,308,145.30 is: 531,081,067.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,798,974.10 : 1,404,190,691.55 = 354,308,145.30 : x
  2. Step 2: Convert to fraction form
    936,798,974.10/1,404,190,691.55 = 354,308,145.30/x
  3. Step 3: Cross multiply
    936,798,974.10x = 1,404,190,691.55 × 354,308,145.30
  4. Step 4: Simplify right side
    936,798,974.10x = 497,516,199,570,604,864
  5. Step 5: Solve for x
    x = 497,516,199,570,604,864/936,798,974.10
  6. Step 6: Final answer
    x = 531,081,067.90

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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.