Home / 839,731,278.10-1,258,673,128.35-294,192,001.30

Finding the Fourth Proportional to 839,731,278.10, 1,258,673,128.35 and 294,192,001.30

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Solution

The fourth proportional to 839,731,278.10, 1,258,673,128.35 and 294,192,001.30 is: 440,964,361.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,731,278.10 : 1,258,673,128.35 = 294,192,001.30 : x
  2. Step 2: Convert to fraction form
    839,731,278.10/1,258,673,128.35 = 294,192,001.30/x
  3. Step 3: Cross multiply
    839,731,278.10x = 1,258,673,128.35 × 294,192,001.30
  4. Step 4: Simplify right side
    839,731,278.10x = 370,291,566,611,818,240
  5. Step 5: Solve for x
    x = 370,291,566,611,818,240/839,731,278.10
  6. Step 6: Final answer
    x = 440,964,361.18

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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.