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Finding the Fourth Proportional to 7,475,622,403.60, 11,213,433,605.40 and 7,475,622,403.60

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Solution

The fourth proportional to 7,475,622,403.60, 11,213,433,605.40 and 7,475,622,403.60 is: 11,213,433,605.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,475,622,403.60 : 11,213,433,605.40 = 7,475,622,403.60 : x
  2. Step 2: Convert to fraction form
    7,475,622,403.60/11,213,433,605.40 = 7,475,622,403.60/x
  3. Step 3: Cross multiply
    7,475,622,403.60x = 11,213,433,605.40 × 7,475,622,403.60
  4. Step 4: Simplify right side
    7,475,622,403.60x = 83,827,395,481,809,371,136
  5. Step 5: Solve for x
    x = 83,827,395,481,809,371,136/7,475,622,403.60
  6. Step 6: Final answer
    x = 11,213,433,605.40

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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.