Home / 478,798,577,428.58-660,741,609,971.52-270,269,392,931.10

Finding the Fourth Proportional to 478,798,577,428.58, 660,741,609,971.52 and 270,269,392,931.10

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Solution

The fourth proportional to 478,798,577,428.58, 660,741,609,971.52 and 270,269,392,931.10 is: 372,971,521,282.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,798,577,428.58 : 660,741,609,971.52 = 270,269,392,931.10 : x
  2. Step 2: Convert to fraction form
    478,798,577,428.58/660,741,609,971.52 = 270,269,392,931.10/x
  3. Step 3: Cross multiply
    478,798,577,428.58x = 660,741,609,971.52 × 270,269,392,931.10
  4. Step 4: Simplify right side
    478,798,577,428.58x = 178,578,233,811,320,367,480,832
  5. Step 5: Solve for x
    x = 178,578,233,811,320,367,480,832/478,798,577,428.58
  6. Step 6: Final answer
    x = 372,971,521,282.26

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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.