Home / 440,105,496.30-660,158,244.45-423,099,384.30

Finding the Fourth Proportional to 440,105,496.30, 660,158,244.45 and 423,099,384.30

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Solution

The fourth proportional to 440,105,496.30, 660,158,244.45 and 423,099,384.30 is: 634,649,076.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,105,496.30 : 660,158,244.45 = 423,099,384.30 : x
  2. Step 2: Convert to fraction form
    440,105,496.30/660,158,244.45 = 423,099,384.30/x
  3. Step 3: Cross multiply
    440,105,496.30x = 660,158,244.45 × 423,099,384.30
  4. Step 4: Simplify right side
    440,105,496.30x = 279,312,546,767,363,936
  5. Step 5: Solve for x
    x = 279,312,546,767,363,936/440,105,496.30
  6. Step 6: Final answer
    x = 634,649,076.45

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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.