Home / 308,292,157,423.66-425,408,672,461.32-171,120,765,168

Finding the Fourth Proportional to 308,292,157,423.66, 425,408,672,461.32 and 171,120,765,168

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Solution

The fourth proportional to 308,292,157,423.66, 425,408,672,461.32 and 171,120,765,168 is: 236,127,503,693.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,292,157,423.66 : 425,408,672,461.32 = 171,120,765,168 : x
  2. Step 2: Convert to fraction form
    308,292,157,423.66/425,408,672,461.32 = 171,120,765,168/x
  3. Step 3: Cross multiply
    308,292,157,423.66x = 425,408,672,461.32 × 171,120,765,168
  4. Step 4: Simplify right side
    308,292,157,423.66x = 72,796,257,540,684,168,298,496
  5. Step 5: Solve for x
    x = 72,796,257,540,684,168,298,496/308,292,157,423.66
  6. Step 6: Final answer
    x = 236,127,503,693.34

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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.