Home / 384,865,601,475.10-531,115,055,980.27-208,882,070,122.86

Finding the Fourth Proportional to 384,865,601,475.10, 531,115,055,980.27 and 208,882,070,122.86

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Solution

The fourth proportional to 384,865,601,475.10, 531,115,055,980.27 and 208,882,070,122.86 is: 288,257,542,220.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,865,601,475.10 : 531,115,055,980.27 = 208,882,070,122.86 : x
  2. Step 2: Convert to fraction form
    384,865,601,475.10/531,115,055,980.27 = 208,882,070,122.86/x
  3. Step 3: Cross multiply
    384,865,601,475.10x = 531,115,055,980.27 × 208,882,070,122.86
  4. Step 4: Simplify right side
    384,865,601,475.10x = 110,940,412,366,577,465,294,848
  5. Step 5: Solve for x
    x = 110,940,412,366,577,465,294,848/384,865,601,475.10
  6. Step 6: Final answer
    x = 288,257,542,220.89

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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.