Home / 505,536,455.46-697,642,888.32-282,521,859.24

Finding the Fourth Proportional to 505,536,455.46, 697,642,888.32 and 282,521,859.24

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Solution

The fourth proportional to 505,536,455.46, 697,642,888.32 and 282,521,859.24 is: 389,881,607.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,536,455.46 : 697,642,888.32 = 282,521,859.24 : x
  2. Step 2: Convert to fraction form
    505,536,455.46/697,642,888.32 = 282,521,859.24/x
  3. Step 3: Cross multiply
    505,536,455.46x = 697,642,888.32 × 282,521,859.24
  4. Step 4: Simplify right side
    505,536,455.46x = 197,099,365,893,730,112
  5. Step 5: Solve for x
    x = 197,099,365,893,730,112/505,536,455.46
  6. Step 6: Final answer
    x = 389,881,607.48

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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.