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Finding the Fourth Proportional to 1,260,092,954.80, 1,889,572,561.80 and 483,480,506.80

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Solution

The fourth proportional to 1,260,092,954.80, 1,889,572,561.80 and 483,480,506.80 is: 725,003,259.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,092,954.80 : 1,889,572,561.80 = 483,480,506.80 : x
  2. Step 2: Convert to fraction form
    1,260,092,954.80/1,889,572,561.80 = 483,480,506.80/x
  3. Step 3: Cross multiply
    1,260,092,954.80x = 1,889,572,561.80 × 483,480,506.80
  4. Step 4: Simplify right side
    1,260,092,954.80x = 913,571,499,814,438,272
  5. Step 5: Solve for x
    x = 913,571,499,814,438,272/1,260,092,954.80
  6. Step 6: Final answer
    x = 725,003,259.75

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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.