Home / 12,589,342,583.36-17,374,816,208.64-7,165,196,994.40

Finding the Fourth Proportional to 12,589,342,583.36, 17,374,816,208.64 and 7,165,196,994.40

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Solution

The fourth proportional to 12,589,342,583.36, 17,374,816,208.64 and 7,165,196,994.40 is: 9,888,838,916.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,589,342,583.36 : 17,374,816,208.64 = 7,165,196,994.40 : x
  2. Step 2: Convert to fraction form
    12,589,342,583.36/17,374,816,208.64 = 7,165,196,994.40/x
  3. Step 3: Cross multiply
    12,589,342,583.36x = 17,374,816,208.64 × 7,165,196,994.40
  4. Step 4: Simplify right side
    12,589,342,583.36x = 124,493,980,876,399,722,496
  5. Step 5: Solve for x
    x = 124,493,980,876,399,722,496/12,589,342,583.36
  6. Step 6: Final answer
    x = 9,888,838,916.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.