Home / 268,572,566,049.53-370,662,641,551.40-152,857,461,651.21

Finding the Fourth Proportional to 268,572,566,049.53, 370,662,641,551.40 and 152,857,461,651.21

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Solution

The fourth proportional to 268,572,566,049.53, 370,662,641,551.40 and 152,857,461,651.21 is: 210,961,794,608.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,572,566,049.53 : 370,662,641,551.40 = 152,857,461,651.21 : x
  2. Step 2: Convert to fraction form
    268,572,566,049.53/370,662,641,551.40 = 152,857,461,651.21/x
  3. Step 3: Cross multiply
    268,572,566,049.53x = 370,662,641,551.40 × 152,857,461,651.21
  4. Step 4: Simplify right side
    268,572,566,049.53x = 56,658,550,516,479,321,702,400
  5. Step 5: Solve for x
    x = 56,658,550,516,479,321,702,400/268,572,566,049.53
  6. Step 6: Final answer
    x = 210,961,794,608.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.