Home / 880,068,000.30-1,320,102,000.45-297,821,240.70

Finding the Fourth Proportional to 880,068,000.30, 1,320,102,000.45 and 297,821,240.70

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Solution

The fourth proportional to 880,068,000.30, 1,320,102,000.45 and 297,821,240.70 is: 446,731,861.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,068,000.30 : 1,320,102,000.45 = 297,821,240.70 : x
  2. Step 2: Convert to fraction form
    880,068,000.30/1,320,102,000.45 = 297,821,240.70/x
  3. Step 3: Cross multiply
    880,068,000.30x = 1,320,102,000.45 × 297,821,240.70
  4. Step 4: Simplify right side
    880,068,000.30x = 393,154,415,624,570,944
  5. Step 5: Solve for x
    x = 393,154,415,624,570,944/880,068,000.30
  6. Step 6: Final answer
    x = 446,731,861.05

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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.