Home / 916,272,023.10-1,372,392,495.45-814,151,370.30

Finding the Fourth Proportional to 916,272,023.10, 1,372,392,495.45 and 814,151,370.30

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Solution

The fourth proportional to 916,272,023.10, 1,372,392,495.45 and 814,151,370.30 is: 1,219,436,152.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,272,023.10 : 1,372,392,495.45 = 814,151,370.30 : x
  2. Step 2: Convert to fraction form
    916,272,023.10/1,372,392,495.45 = 814,151,370.30/x
  3. Step 3: Cross multiply
    916,272,023.10x = 1,372,392,495.45 × 814,151,370.30
  4. Step 4: Simplify right side
    916,272,023.10x = 1,117,335,230,760,054,016
  5. Step 5: Solve for x
    x = 1,117,335,230,760,054,016/916,272,023.10
  6. Step 6: Final answer
    x = 1,219,436,152.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.