Home / 651,137,243.20-976,705,864.80-444,512,982.40

Finding the Fourth Proportional to 651,137,243.20, 976,705,864.80 and 444,512,982.40

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Solution

The fourth proportional to 651,137,243.20, 976,705,864.80 and 444,512,982.40 is: 666,769,473.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,137,243.20 : 976,705,864.80 = 444,512,982.40 : x
  2. Step 2: Convert to fraction form
    651,137,243.20/976,705,864.80 = 444,512,982.40/x
  3. Step 3: Cross multiply
    651,137,243.20x = 976,705,864.80 × 444,512,982.40
  4. Step 4: Simplify right side
    651,137,243.20x = 434,158,436,889,819,136
  5. Step 5: Solve for x
    x = 434,158,436,889,819,136/651,137,243.20
  6. Step 6: Final answer
    x = 666,769,473.60

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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.