Home / 590,490,665.80-885,735,998.70-395,345,530.60

Finding the Fourth Proportional to 590,490,665.80, 885,735,998.70 and 395,345,530.60

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Solution

The fourth proportional to 590,490,665.80, 885,735,998.70 and 395,345,530.60 is: 593,018,295.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,490,665.80 : 885,735,998.70 = 395,345,530.60 : x
  2. Step 2: Convert to fraction form
    590,490,665.80/885,735,998.70 = 395,345,530.60/x
  3. Step 3: Cross multiply
    590,490,665.80x = 885,735,998.70 × 395,345,530.60
  4. Step 4: Simplify right side
    590,490,665.80x = 350,171,768,377,572,480
  5. Step 5: Solve for x
    x = 350,171,768,377,572,480/590,490,665.80
  6. Step 6: Final answer
    x = 593,018,295.90

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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.