Home / 530,136,576.90-795,204,865.35-142,019,309.70

Finding the Fourth Proportional to 530,136,576.90, 795,204,865.35 and 142,019,309.70

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Solution

The fourth proportional to 530,136,576.90, 795,204,865.35 and 142,019,309.70 is: 213,028,964.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,136,576.90 : 795,204,865.35 = 142,019,309.70 : x
  2. Step 2: Convert to fraction form
    530,136,576.90/795,204,865.35 = 142,019,309.70/x
  3. Step 3: Cross multiply
    530,136,576.90x = 795,204,865.35 × 142,019,309.70
  4. Step 4: Simplify right side
    530,136,576.90x = 112,934,446,047,088,448
  5. Step 5: Solve for x
    x = 112,934,446,047,088,448/530,136,576.90
  6. Step 6: Final answer
    x = 213,028,964.55

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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.