Home / 1,149,714,097.20-1,724,571,145.80-413,136,871.20

Finding the Fourth Proportional to 1,149,714,097.20, 1,724,571,145.80 and 413,136,871.20

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Solution

The fourth proportional to 1,149,714,097.20, 1,724,571,145.80 and 413,136,871.20 is: 619,705,306.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,714,097.20 : 1,724,571,145.80 = 413,136,871.20 : x
  2. Step 2: Convert to fraction form
    1,149,714,097.20/1,724,571,145.80 = 413,136,871.20/x
  3. Step 3: Cross multiply
    1,149,714,097.20x = 1,724,571,145.80 × 413,136,871.20
  4. Step 4: Simplify right side
    1,149,714,097.20x = 712,483,927,337,611,008
  5. Step 5: Solve for x
    x = 712,483,927,337,611,008/1,149,714,097.20
  6. Step 6: Final answer
    x = 619,705,306.80

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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.