Home / 833,126,674.56-1,149,725,286.72-480,775,780.32

Finding the Fourth Proportional to 833,126,674.56, 1,149,725,286.72 and 480,775,780.32

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Solution

The fourth proportional to 833,126,674.56, 1,149,725,286.72 and 480,775,780.32 is: 663,476,622.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,126,674.56 : 1,149,725,286.72 = 480,775,780.32 : x
  2. Step 2: Convert to fraction form
    833,126,674.56/1,149,725,286.72 = 480,775,780.32/x
  3. Step 3: Cross multiply
    833,126,674.56x = 1,149,725,286.72 × 480,775,780.32
  4. Step 4: Simplify right side
    833,126,674.56x = 552,760,071,876,443,712
  5. Step 5: Solve for x
    x = 552,760,071,876,443,712/833,126,674.56
  6. Step 6: Final answer
    x = 663,476,622.17

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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.