Home / 3,902,399,943.16-5,385,317,090.72-2,118,252,237.88

Finding the Fourth Proportional to 3,902,399,943.16, 5,385,317,090.72 and 2,118,252,237.88

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Solution

The fourth proportional to 3,902,399,943.16, 5,385,317,090.72 and 2,118,252,237.88 is: 2,923,190,894.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,902,399,943.16 : 5,385,317,090.72 = 2,118,252,237.88 : x
  2. Step 2: Convert to fraction form
    3,902,399,943.16/5,385,317,090.72 = 2,118,252,237.88/x
  3. Step 3: Cross multiply
    3,902,399,943.16x = 5,385,317,090.72 × 2,118,252,237.88
  4. Step 4: Simplify right side
    3,902,399,943.16x = 11,407,459,979,111,051,264
  5. Step 5: Solve for x
    x = 11,407,459,979,111,051,264/3,902,399,943.16
  6. Step 6: Final answer
    x = 2,923,190,894.13

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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.