Home / 425,744,000.40-638,616,000.60-333,910,995.60

Finding the Fourth Proportional to 425,744,000.40, 638,616,000.60 and 333,910,995.60

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Solution

The fourth proportional to 425,744,000.40, 638,616,000.60 and 333,910,995.60 is: 500,866,493.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,744,000.40 : 638,616,000.60 = 333,910,995.60 : x
  2. Step 2: Convert to fraction form
    425,744,000.40/638,616,000.60 = 333,910,995.60/x
  3. Step 3: Cross multiply
    425,744,000.40x = 638,616,000.60 × 333,910,995.60
  4. Step 4: Simplify right side
    425,744,000.40x = 213,240,904,566,436,224
  5. Step 5: Solve for x
    x = 213,240,904,566,436,224/425,744,000.40
  6. Step 6: Final answer
    x = 500,866,493.40

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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.