Home / 301,913,331.40-452,869,997.10-300,000,143.80

Finding the Fourth Proportional to 301,913,331.40, 452,869,997.10 and 300,000,143.80

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Solution

The fourth proportional to 301,913,331.40, 452,869,997.10 and 300,000,143.80 is: 450,000,215.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,913,331.40 : 452,869,997.10 = 300,000,143.80 : x
  2. Step 2: Convert to fraction form
    301,913,331.40/452,869,997.10 = 300,000,143.80/x
  3. Step 3: Cross multiply
    301,913,331.40x = 452,869,997.10 × 300,000,143.80
  4. Step 4: Simplify right side
    301,913,331.40x = 135,861,064,252,705,600
  5. Step 5: Solve for x
    x = 135,861,064,252,705,600/301,913,331.40
  6. Step 6: Final answer
    x = 450,000,215.70

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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.