Home / 999,843,635.20-1,499,765,452.80-353,611,379.20

Finding the Fourth Proportional to 999,843,635.20, 1,499,765,452.80 and 353,611,379.20

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Solution

The fourth proportional to 999,843,635.20, 1,499,765,452.80 and 353,611,379.20 is: 530,417,068.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,843,635.20 : 1,499,765,452.80 = 353,611,379.20 : x
  2. Step 2: Convert to fraction form
    999,843,635.20/1,499,765,452.80 = 353,611,379.20/x
  3. Step 3: Cross multiply
    999,843,635.20x = 1,499,765,452.80 × 353,611,379.20
  4. Step 4: Simplify right side
    999,843,635.20x = 530,334,130,241,120,448
  5. Step 5: Solve for x
    x = 530,334,130,241,120,448/999,843,635.20
  6. Step 6: Final answer
    x = 530,417,068.80

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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.