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Finding the Fourth Proportional to 575,607,538.88, 794,340,796.89 and 311,289,531.91

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Solution

The fourth proportional to 575,607,538.88, 794,340,796.89 and 311,289,531.91 is: 429,580,848.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,607,538.88 : 794,340,796.89 = 311,289,531.91 : x
  2. Step 2: Convert to fraction form
    575,607,538.88/794,340,796.89 = 311,289,531.91/x
  3. Step 3: Cross multiply
    575,607,538.88x = 794,340,796.89 × 311,289,531.91
  4. Step 4: Simplify right side
    575,607,538.88x = 247,269,974,840,085,984
  5. Step 5: Solve for x
    x = 247,269,974,840,085,984/575,607,538.88
  6. Step 6: Final answer
    x = 429,580,848.30

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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.