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Finding the Fourth Proportional to 849,658,214.80, 1,274,487,322.20 and 849,658,214.80

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Solution

The fourth proportional to 849,658,214.80, 1,274,487,322.20 and 849,658,214.80 is: 1,274,487,322.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,658,214.80 : 1,274,487,322.20 = 849,658,214.80 : x
  2. Step 2: Convert to fraction form
    849,658,214.80/1,274,487,322.20 = 849,658,214.80/x
  3. Step 3: Cross multiply
    849,658,214.80x = 1,274,487,322.20 × 849,658,214.80
  4. Step 4: Simplify right side
    849,658,214.80x = 1,082,878,622,965,684,352
  5. Step 5: Solve for x
    x = 1,082,878,622,965,684,352/849,658,214.80
  6. Step 6: Final answer
    x = 1,274,487,322.20

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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.