Home / 375,865,829.69-518,688,480.79-210,849,856.25

Finding the Fourth Proportional to 375,865,829.69, 518,688,480.79 and 210,849,856.25

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Solution

The fourth proportional to 375,865,829.69, 518,688,480.79 and 210,849,856.25 is: 290,969,231.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,865,829.69 : 518,688,480.79 = 210,849,856.25 : x
  2. Step 2: Convert to fraction form
    375,865,829.69/518,688,480.79 = 210,849,856.25/x
  3. Step 3: Cross multiply
    375,865,829.69x = 518,688,480.79 × 210,849,856.25
  4. Step 4: Simplify right side
    375,865,829.69x = 109,365,391,613,102,384
  5. Step 5: Solve for x
    x = 109,365,391,613,102,384/375,865,829.69
  6. Step 6: Final answer
    x = 290,969,231.50

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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.