Home / 440,179,434.40-660,248,156.40-149,018,000.80

Finding the Fourth Proportional to 440,179,434.40, 660,248,156.40 and 149,018,000.80

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Solution

The fourth proportional to 440,179,434.40, 660,248,156.40 and 149,018,000.80 is: 223,519,893.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,179,434.40 : 660,248,156.40 = 149,018,000.80 : x
  2. Step 2: Convert to fraction form
    440,179,434.40/660,248,156.40 = 149,018,000.80/x
  3. Step 3: Cross multiply
    440,179,434.40x = 660,248,156.40 × 149,018,000.80
  4. Step 4: Simplify right side
    440,179,434.40x = 98,388,860,298,613,728
  5. Step 5: Solve for x
    x = 98,388,860,298,613,728/440,179,434.40
  6. Step 6: Final answer
    x = 223,519,893.50

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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.