Home / 535,041,998.40-802,562,997.60-453,412,660.80

Finding the Fourth Proportional to 535,041,998.40, 802,562,997.60 and 453,412,660.80

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Solution

The fourth proportional to 535,041,998.40, 802,562,997.60 and 453,412,660.80 is: 680,118,991.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,041,998.40 : 802,562,997.60 = 453,412,660.80 : x
  2. Step 2: Convert to fraction form
    535,041,998.40/802,562,997.60 = 453,412,660.80/x
  3. Step 3: Cross multiply
    535,041,998.40x = 802,562,997.60 × 453,412,660.80
  4. Step 4: Simplify right side
    535,041,998.40x = 363,892,224,201,440,064
  5. Step 5: Solve for x
    x = 363,892,224,201,440,064/535,041,998.40
  6. Step 6: Final answer
    x = 680,118,991.20

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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.