Home / 380,268,869,721.92-524,783,625,323.70-208,996,872,032.24

Finding the Fourth Proportional to 380,268,869,721.92, 524,783,625,323.70 and 208,996,872,032.24

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Solution

The fourth proportional to 380,268,869,721.92, 524,783,625,323.70 and 208,996,872,032.24 is: 288,422,600,215.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,268,869,721.92 : 524,783,625,323.70 = 208,996,872,032.24 : x
  2. Step 2: Convert to fraction form
    380,268,869,721.92/524,783,625,323.70 = 208,996,872,032.24/x
  3. Step 3: Cross multiply
    380,268,869,721.92x = 524,783,625,323.70 × 208,996,872,032.24
  4. Step 4: Simplify right side
    380,268,869,721.92x = 109,678,136,186,392,312,545,280
  5. Step 5: Solve for x
    x = 109,678,136,186,392,312,545,280/380,268,869,721.92
  6. Step 6: Final answer
    x = 288,422,600,215.99

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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.