Home / 478,798,577,533.89-660,741,610,116.45-270,269,393,036.28

Finding the Fourth Proportional to 478,798,577,533.89, 660,741,610,116.45 and 270,269,393,036.28

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Solution

The fourth proportional to 478,798,577,533.89, 660,741,610,116.45 and 270,269,393,036.28 is: 372,971,521,427.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,798,577,533.89 : 660,741,610,116.45 = 270,269,393,036.28 : x
  2. Step 2: Convert to fraction form
    478,798,577,533.89/660,741,610,116.45 = 270,269,393,036.28/x
  3. Step 3: Cross multiply
    478,798,577,533.89x = 660,741,610,116.45 × 270,269,393,036.28
  4. Step 4: Simplify right side
    478,798,577,533.89x = 178,578,233,919,987,301,482,496
  5. Step 5: Solve for x
    x = 178,578,233,919,987,301,482,496/478,798,577,533.89
  6. Step 6: Final answer
    x = 372,971,521,427.19

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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.