Home / 268,447,346.40-402,671,019.60-171,701,464.80

Finding the Fourth Proportional to 268,447,346.40, 402,671,019.60 and 171,701,464.80

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Solution

The fourth proportional to 268,447,346.40, 402,671,019.60 and 171,701,464.80 is: 257,552,197.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,447,346.40 : 402,671,019.60 = 171,701,464.80 : x
  2. Step 2: Convert to fraction form
    268,447,346.40/402,671,019.60 = 171,701,464.80/x
  3. Step 3: Cross multiply
    268,447,346.40x = 402,671,019.60 × 171,701,464.80
  4. Step 4: Simplify right side
    268,447,346.40x = 69,139,203,897,829,520
  5. Step 5: Solve for x
    x = 69,139,203,897,829,520/268,447,346.40
  6. Step 6: Final answer
    x = 257,552,197.20

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1.5x scale

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.