Home / 492,034,186.16-679,021,348.66-272,031,783.92

Finding the Fourth Proportional to 492,034,186.16, 679,021,348.66 and 272,031,783.92

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Solution

The fourth proportional to 492,034,186.16, 679,021,348.66 and 272,031,783.92 is: 375,411,696.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,034,186.16 : 679,021,348.66 = 272,031,783.92 : x
  2. Step 2: Convert to fraction form
    492,034,186.16/679,021,348.66 = 272,031,783.92/x
  3. Step 3: Cross multiply
    492,034,186.16x = 679,021,348.66 × 272,031,783.92
  4. Step 4: Simplify right side
    492,034,186.16x = 184,715,388,795,744,096
  5. Step 5: Solve for x
    x = 184,715,388,795,744,096/492,034,186.16
  6. Step 6: Final answer
    x = 375,411,696.97

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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.