Home / 550,642,032.90-825,963,049.35-187,136,388.90

Finding the Fourth Proportional to 550,642,032.90, 825,963,049.35 and 187,136,388.90

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Solution

The fourth proportional to 550,642,032.90, 825,963,049.35 and 187,136,388.90 is: 280,704,583.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,642,032.90 : 825,963,049.35 = 187,136,388.90 : x
  2. Step 2: Convert to fraction form
    550,642,032.90/825,963,049.35 = 187,136,388.90/x
  3. Step 3: Cross multiply
    550,642,032.90x = 825,963,049.35 × 187,136,388.90
  4. Step 4: Simplify right side
    550,642,032.90x = 154,567,742,420,191,488
  5. Step 5: Solve for x
    x = 154,567,742,420,191,488/550,642,032.90
  6. Step 6: Final answer
    x = 280,704,583.35

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1.5x scale

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.