Home / 575,607,564.78-794,340,832.32-311,289,557.64

Finding the Fourth Proportional to 575,607,564.78, 794,340,832.32 and 311,289,557.64

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Solution

The fourth proportional to 575,607,564.78, 794,340,832.32 and 311,289,557.64 is: 429,580,883.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,607,564.78 : 794,340,832.32 = 311,289,557.64 : x
  2. Step 2: Convert to fraction form
    575,607,564.78/794,340,832.32 = 311,289,557.64/x
  3. Step 3: Cross multiply
    575,607,564.78x = 794,340,832.32 × 311,289,557.64
  4. Step 4: Simplify right side
    575,607,564.78x = 247,270,006,308,282,208
  5. Step 5: Solve for x
    x = 247,270,006,308,282,208/575,607,564.78
  6. Step 6: Final answer
    x = 429,580,883.64

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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.