Home / 521,315,020,081.57-781,550,544,336.48-162,982,545,670.39

Finding the Fourth Proportional to 521,315,020,081.57, 781,550,544,336.48 and 162,982,545,670.39

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Solution

The fourth proportional to 521,315,020,081.57, 781,550,544,336.48 and 162,982,545,670.39 is: 244,341,889,988.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,315,020,081.57 : 781,550,544,336.48 = 162,982,545,670.39 : x
  2. Step 2: Convert to fraction form
    521,315,020,081.57/781,550,544,336.48 = 162,982,545,670.39/x
  3. Step 3: Cross multiply
    521,315,020,081.57x = 781,550,544,336.48 × 162,982,545,670.39
  4. Step 4: Simplify right side
    521,315,020,081.57x = 127,379,097,286,038,519,808,000
  5. Step 5: Solve for x
    x = 127,379,097,286,038,519,808,000/521,315,020,081.57
  6. Step 6: Final answer
    x = 244,341,889,988.34

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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.