Home / 1,432,387,423,168-1,976,867,978,003.60-815,240,191,690.28

Finding the Fourth Proportional to 1,432,387,423,168, 1,976,867,978,003.60 and 815,240,191,690.28

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Solution

The fourth proportional to 1,432,387,423,168, 1,976,867,978,003.60 and 815,240,191,690.28 is: 1,125,130,117,220.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,387,423,168 : 1,976,867,978,003.60 = 815,240,191,690.28 : x
  2. Step 2: Convert to fraction form
    1,432,387,423,168/1,976,867,978,003.60 = 815,240,191,690.28/x
  3. Step 3: Cross multiply
    1,432,387,423,168x = 1,976,867,978,003.60 × 815,240,191,690.28
  4. Step 4: Simplify right side
    1,432,387,423,168x = 1,611,622,229,334,031,360,589,824
  5. Step 5: Solve for x
    x = 1,611,622,229,334,031,360,589,824/1,432,387,423,168
  6. Step 6: Final answer
    x = 1,125,130,117,220.40

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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.