Home / 301,913,330.40-452,869,995.60-300,000,142.80

Finding the Fourth Proportional to 301,913,330.40, 452,869,995.60 and 300,000,142.80

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Solution

The fourth proportional to 301,913,330.40, 452,869,995.60 and 300,000,142.80 is: 450,000,214.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,913,330.40 : 452,869,995.60 = 300,000,142.80 : x
  2. Step 2: Convert to fraction form
    301,913,330.40/452,869,995.60 = 300,000,142.80/x
  3. Step 3: Cross multiply
    301,913,330.40x = 452,869,995.60 × 300,000,142.80
  4. Step 4: Simplify right side
    301,913,330.40x = 135,861,063,349,835,392
  5. Step 5: Solve for x
    x = 135,861,063,349,835,392/301,913,330.40
  6. Step 6: Final answer
    x = 450,000,214.20

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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.