Home / 910,279,634.70-1,255,493,703.72-783,334,279.11

Finding the Fourth Proportional to 910,279,634.70, 1,255,493,703.72 and 783,334,279.11

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Solution

The fourth proportional to 910,279,634.70, 1,255,493,703.72 and 783,334,279.11 is: 1,080,405,644.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,279,634.70 : 1,255,493,703.72 = 783,334,279.11 : x
  2. Step 2: Convert to fraction form
    910,279,634.70/1,255,493,703.72 = 783,334,279.11/x
  3. Step 3: Cross multiply
    910,279,634.70x = 1,255,493,703.72 × 783,334,279.11
  4. Step 4: Simplify right side
    910,279,634.70x = 983,471,255,330,650,112
  5. Step 5: Solve for x
    x = 983,471,255,330,650,112/910,279,634.70
  6. Step 6: Final answer
    x = 1,080,405,644.42

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1.5x scale

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.