Home / 469,008,006.70-703,512,010.05-346,564,000.30

Finding the Fourth Proportional to 469,008,006.70, 703,512,010.05 and 346,564,000.30

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Solution

The fourth proportional to 469,008,006.70, 703,512,010.05 and 346,564,000.30 is: 519,846,000.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,008,006.70 : 703,512,010.05 = 346,564,000.30 : x
  2. Step 2: Convert to fraction form
    469,008,006.70/703,512,010.05 = 346,564,000.30/x
  3. Step 3: Cross multiply
    469,008,006.70x = 703,512,010.05 × 346,564,000.30
  4. Step 4: Simplify right side
    469,008,006.70x = 243,811,936,462,021,792
  5. Step 5: Solve for x
    x = 243,811,936,462,021,792/469,008,006.70
  6. Step 6: Final answer
    x = 519,846,000.45

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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.