Home / 13,880,242,496.93-19,154,734,645.77-7,939,794,998.93

Finding the Fourth Proportional to 13,880,242,496.93, 19,154,734,645.77 and 7,939,794,998.93

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Solution

The fourth proportional to 13,880,242,496.93, 19,154,734,645.77 and 7,939,794,998.93 is: 10,956,917,098.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,880,242,496.93 : 19,154,734,645.77 = 7,939,794,998.93 : x
  2. Step 2: Convert to fraction form
    13,880,242,496.93/19,154,734,645.77 = 7,939,794,998.93/x
  3. Step 3: Cross multiply
    13,880,242,496.93x = 19,154,734,645.77 × 7,939,794,998.93
  4. Step 4: Simplify right side
    13,880,242,496.93x = 152,084,666,346,315,874,304
  5. Step 5: Solve for x
    x = 152,084,666,346,315,874,304/13,880,242,496.93
  6. Step 6: Final answer
    x = 10,956,917,098.53

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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.