Home / 478,798,577,532.89-660,741,610,115.07-270,269,393,035.28

Finding the Fourth Proportional to 478,798,577,532.89, 660,741,610,115.07 and 270,269,393,035.28

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Solution

The fourth proportional to 478,798,577,532.89, 660,741,610,115.07 and 270,269,393,035.28 is: 372,971,521,425.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,798,577,532.89 : 660,741,610,115.07 = 270,269,393,035.28 : x
  2. Step 2: Convert to fraction form
    478,798,577,532.89/660,741,610,115.07 = 270,269,393,035.28/x
  3. Step 3: Cross multiply
    478,798,577,532.89x = 660,741,610,115.07 × 270,269,393,035.28
  4. Step 4: Simplify right side
    478,798,577,532.89x = 178,578,233,918,953,590,095,872
  5. Step 5: Solve for x
    x = 178,578,233,918,953,590,095,872/478,798,577,532.89
  6. Step 6: Final answer
    x = 372,971,521,425.81

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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.