Home / 13,419,063,349.31-18,518,363,550.89-7,397,436,577.81

Finding the Fourth Proportional to 13,419,063,349.31, 18,518,363,550.89 and 7,397,436,577.81

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Solution

The fourth proportional to 13,419,063,349.31, 18,518,363,550.89 and 7,397,436,577.81 is: 10,208,493,419.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,419,063,349.31 : 18,518,363,550.89 = 7,397,436,577.81 : x
  2. Step 2: Convert to fraction form
    13,419,063,349.31/18,518,363,550.89 = 7,397,436,577.81/x
  3. Step 3: Cross multiply
    13,419,063,349.31x = 18,518,363,550.89 × 7,397,436,577.81
  4. Step 4: Simplify right side
    13,419,063,349.31x = 136,988,419,892,444,577,792
  5. Step 5: Solve for x
    x = 136,988,419,892,444,577,792/13,419,063,349.31
  6. Step 6: Final answer
    x = 10,208,493,419.14

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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.