Home / 492,034,185.66-679,021,347.96-272,031,783.42

Finding the Fourth Proportional to 492,034,185.66, 679,021,347.96 and 272,031,783.42

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Solution

The fourth proportional to 492,034,185.66, 679,021,347.96 and 272,031,783.42 is: 375,411,696.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,034,185.66 : 679,021,347.96 = 272,031,783.42 : x
  2. Step 2: Convert to fraction form
    492,034,185.66/679,021,347.96 = 272,031,783.42/x
  3. Step 3: Cross multiply
    492,034,185.66x = 679,021,347.96 × 272,031,783.42
  4. Step 4: Simplify right side
    492,034,185.66x = 184,715,388,265,811,200
  5. Step 5: Solve for x
    x = 184,715,388,265,811,200/492,034,185.66
  6. Step 6: Final answer
    x = 375,411,696.28

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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.