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Finding the Fourth Proportional to 611,245,404,006.30, 916,868,106,009.45 and 611,245,404,006.30

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Solution

The fourth proportional to 611,245,404,006.30, 916,868,106,009.45 and 611,245,404,006.30 is: 916,868,106,009.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,245,404,006.30 : 916,868,106,009.45 = 611,245,404,006.30 : x
  2. Step 2: Convert to fraction form
    611,245,404,006.30/916,868,106,009.45 = 611,245,404,006.30/x
  3. Step 3: Cross multiply
    611,245,404,006.30x = 916,868,106,009.45 × 611,245,404,006.30
  4. Step 4: Simplify right side
    611,245,404,006.30x = 560,431,415,878,237,376,479,232
  5. Step 5: Solve for x
    x = 560,431,415,878,237,376,479,232/611,245,404,006.30
  6. Step 6: Final answer
    x = 916,868,106,009.45

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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.