Home / 464,007,985.94-640,343,156.48-252,327,196.94

Finding the Fourth Proportional to 464,007,985.94, 640,343,156.48 and 252,327,196.94

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Solution

The fourth proportional to 464,007,985.94, 640,343,156.48 and 252,327,196.94 is: 348,218,131.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,007,985.94 : 640,343,156.48 = 252,327,196.94 : x
  2. Step 2: Convert to fraction form
    464,007,985.94/640,343,156.48 = 252,327,196.94/x
  3. Step 3: Cross multiply
    464,007,985.94x = 640,343,156.48 × 252,327,196.94
  4. Step 4: Simplify right side
    464,007,985.94x = 161,575,993,749,846,848
  5. Step 5: Solve for x
    x = 161,575,993,749,846,848/464,007,985.94
  6. Step 6: Final answer
    x = 348,218,131.26

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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.