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Finding the Fourth Proportional to 1,659,509,600.40, 2,489,264,400.60 and 833,012,557.20

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Solution

The fourth proportional to 1,659,509,600.40, 2,489,264,400.60 and 833,012,557.20 is: 1,249,518,835.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,659,509,600.40 : 2,489,264,400.60 = 833,012,557.20 : x
  2. Step 2: Convert to fraction form
    1,659,509,600.40/2,489,264,400.60 = 833,012,557.20/x
  3. Step 3: Cross multiply
    1,659,509,600.40x = 2,489,264,400.60 × 833,012,557.20
  4. Step 4: Simplify right side
    1,659,509,600.40x = 2,073,588,503,890,731,264
  5. Step 5: Solve for x
    x = 2,073,588,503,890,731,264/1,659,509,600.40
  6. Step 6: Final answer
    x = 1,249,518,835.80

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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.