Home / 530,136,581.40-795,204,872.10-142,019,314.20

Finding the Fourth Proportional to 530,136,581.40, 795,204,872.10 and 142,019,314.20

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Solution

The fourth proportional to 530,136,581.40, 795,204,872.10 and 142,019,314.20 is: 213,028,971.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,136,581.40 : 795,204,872.10 = 142,019,314.20 : x
  2. Step 2: Convert to fraction form
    530,136,581.40/795,204,872.10 = 142,019,314.20/x
  3. Step 3: Cross multiply
    530,136,581.40x = 795,204,872.10 × 142,019,314.20
  4. Step 4: Simplify right side
    530,136,581.40x = 112,934,450,584,140,704
  5. Step 5: Solve for x
    x = 112,934,450,584,140,704/530,136,581.40
  6. Step 6: Final answer
    x = 213,028,971.30

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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.