Home / 382,429,371.60-572,888,230.20-209,596,885.20

Finding the Fourth Proportional to 382,429,371.60, 572,888,230.20 and 209,596,885.20

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Solution

The fourth proportional to 382,429,371.60, 572,888,230.20 and 209,596,885.20 is: 313,981,083.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,429,371.60 : 572,888,230.20 = 209,596,885.20 : x
  2. Step 2: Convert to fraction form
    382,429,371.60/572,888,230.20 = 209,596,885.20/x
  3. Step 3: Cross multiply
    382,429,371.60x = 572,888,230.20 × 209,596,885.20
  4. Step 4: Simplify right side
    382,429,371.60x = 120,075,588,617,660,576
  5. Step 5: Solve for x
    x = 120,075,588,617,660,576/382,429,371.60
  6. Step 6: Final answer
    x = 313,981,083.92

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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.