Home / 347,891,129-480,077,525.40-191,257,095.50

Finding the Fourth Proportional to 347,891,129, 480,077,525.40 and 191,257,095.50

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Solution

The fourth proportional to 347,891,129, 480,077,525.40 and 191,257,095.50 is: 263,928,066.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,891,129 : 480,077,525.40 = 191,257,095.50 : x
  2. Step 2: Convert to fraction form
    347,891,129/480,077,525.40 = 191,257,095.50/x
  3. Step 3: Cross multiply
    347,891,129x = 480,077,525.40 × 191,257,095.50
  4. Step 4: Simplify right side
    347,891,129x = 91,818,233,122,831,472
  5. Step 5: Solve for x
    x = 91,818,233,122,831,472/347,891,129
  6. Step 6: Final answer
    x = 263,928,066.77

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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.