Home / 353,620,073.28-530,702,478.90-284,701,492.20

Finding the Fourth Proportional to 353,620,073.28, 530,702,478.90 and 284,701,492.20

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Solution

The fourth proportional to 353,620,073.28, 530,702,478.90 and 284,701,492.20 is: 427,271,524.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,620,073.28 : 530,702,478.90 = 284,701,492.20 : x
  2. Step 2: Convert to fraction form
    353,620,073.28/530,702,478.90 = 284,701,492.20/x
  3. Step 3: Cross multiply
    353,620,073.28x = 530,702,478.90 × 284,701,492.20
  4. Step 4: Simplify right side
    353,620,073.28x = 151,091,787,657,068,992
  5. Step 5: Solve for x
    x = 151,091,787,657,068,992/353,620,073.28
  6. Step 6: Final answer
    x = 427,271,524.08

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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.