Home / 693,049,131.09-956,407,811.85-379,795,673.25

Finding the Fourth Proportional to 693,049,131.09, 956,407,811.85 and 379,795,673.25

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Solution

The fourth proportional to 693,049,131.09, 956,407,811.85 and 379,795,673.25 is: 524,118,035.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,049,131.09 : 956,407,811.85 = 379,795,673.25 : x
  2. Step 2: Convert to fraction form
    693,049,131.09/956,407,811.85 = 379,795,673.25/x
  3. Step 3: Cross multiply
    693,049,131.09x = 956,407,811.85 × 379,795,673.25
  4. Step 4: Simplify right side
    693,049,131.09x = 363,239,548,803,130,112
  5. Step 5: Solve for x
    x = 363,239,548,803,130,112/693,049,131.09
  6. Step 6: Final answer
    x = 524,118,035.08

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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.