Home / 497,027,551,763.10-685,914,945,152.88-288,438,324,660.03

Finding the Fourth Proportional to 497,027,551,763.10, 685,914,945,152.88 and 288,438,324,660.03

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Solution

The fourth proportional to 497,027,551,763.10, 685,914,945,152.88 and 288,438,324,660.03 is: 398,054,709,316.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,027,551,763.10 : 685,914,945,152.88 = 288,438,324,660.03 : x
  2. Step 2: Convert to fraction form
    497,027,551,763.10/685,914,945,152.88 = 288,438,324,660.03/x
  3. Step 3: Cross multiply
    497,027,551,763.10x = 685,914,945,152.88 × 288,438,324,660.03
  4. Step 4: Simplify right side
    497,027,551,763.10x = 197,844,157,639,173,097,914,368
  5. Step 5: Solve for x
    x = 197,844,157,639,173,097,914,368/497,027,551,763.10
  6. Step 6: Final answer
    x = 398,054,709,316.14

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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.