Home / 380,120,619,118.38-524,611,424,866.86-225,796,908,345.84

Finding the Fourth Proportional to 380,120,619,118.38, 524,611,424,866.86 and 225,796,908,345.84

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Solution

The fourth proportional to 380,120,619,118.38, 524,611,424,866.86 and 225,796,908,345.84 is: 311,626,446,606.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,120,619,118.38 : 524,611,424,866.86 = 225,796,908,345.84 : x
  2. Step 2: Convert to fraction form
    380,120,619,118.38/524,611,424,866.86 = 225,796,908,345.84/x
  3. Step 3: Cross multiply
    380,120,619,118.38x = 524,611,424,866.86 × 225,796,908,345.84
  4. Step 4: Simplify right side
    380,120,619,118.38x = 118,455,637,817,842,917,703,680
  5. Step 5: Solve for x
    x = 118,455,637,817,842,917,703,680/380,120,619,118.38
  6. Step 6: Final answer
    x = 311,626,446,606.81

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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.