Home / 945,894,963.12-1,305,322,719.48-528,214,588.08

Finding the Fourth Proportional to 945,894,963.12, 1,305,322,719.48 and 528,214,588.08

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Solution

The fourth proportional to 945,894,963.12, 1,305,322,719.48 and 528,214,588.08 is: 728,929,246.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,894,963.12 : 1,305,322,719.48 = 528,214,588.08 : x
  2. Step 2: Convert to fraction form
    945,894,963.12/1,305,322,719.48 = 528,214,588.08/x
  3. Step 3: Cross multiply
    945,894,963.12x = 1,305,322,719.48 × 528,214,588.08
  4. Step 4: Simplify right side
    945,894,963.12x = 689,490,502,581,593,600
  5. Step 5: Solve for x
    x = 689,490,502,581,593,600/945,894,963.12
  6. Step 6: Final answer
    x = 728,929,246.34

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.