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Finding the Fourth Proportional to 2,985,988,536.40, 4,170,709,362.80 and 2,985,988,536.40

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Solution

The fourth proportional to 2,985,988,536.40, 4,170,709,362.80 and 2,985,988,536.40 is: 4,170,709,362.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,985,988,536.40 : 4,170,709,362.80 = 2,985,988,536.40 : x
  2. Step 2: Convert to fraction form
    2,985,988,536.40/4,170,709,362.80 = 2,985,988,536.40/x
  3. Step 3: Cross multiply
    2,985,988,536.40x = 4,170,709,362.80 × 2,985,988,536.40
  4. Step 4: Simplify right side
    2,985,988,536.40x = 12,453,690,345,976,948,736
  5. Step 5: Solve for x
    x = 12,453,690,345,976,948,736/2,985,988,536.40
  6. Step 6: Final answer
    x = 4,170,709,362.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.