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Finding the Fourth Proportional to 30,611,909,545.20, 45,845,304,906.60 and 30,611,909,545.20

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Solution

The fourth proportional to 30,611,909,545.20, 45,845,304,906.60 and 30,611,909,545.20 is: 45,845,304,906.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,611,909,545.20 : 45,845,304,906.60 = 30,611,909,545.20 : x
  2. Step 2: Convert to fraction form
    30,611,909,545.20/45,845,304,906.60 = 30,611,909,545.20/x
  3. Step 3: Cross multiply
    30,611,909,545.20x = 45,845,304,906.60 × 30,611,909,545.20
  4. Step 4: Simplify right side
    30,611,909,545.20x = 1,403,412,326,872,952,864,768
  5. Step 5: Solve for x
    x = 1,403,412,326,872,952,864,768/30,611,909,545.20
  6. Step 6: Final answer
    x = 45,845,304,906.60

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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.