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Finding the Fourth Proportional to 786,833,999.10, 1,103,180,030.10 and 786,833,999.10

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Solution

The fourth proportional to 786,833,999.10, 1,103,180,030.10 and 786,833,999.10 is: 1,103,180,030.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,833,999.10 : 1,103,180,030.10 = 786,833,999.10 : x
  2. Step 2: Convert to fraction form
    786,833,999.10/1,103,180,030.10 = 786,833,999.10/x
  3. Step 3: Cross multiply
    786,833,999.10x = 1,103,180,030.10 × 786,833,999.10
  4. Step 4: Simplify right side
    786,833,999.10x = 868,019,554,810,841,344
  5. Step 5: Solve for x
    x = 868,019,554,810,841,344/786,833,999.10
  6. Step 6: Final answer
    x = 1,103,180,030.10

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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.