Home / 379,828,616.09-524,152,232.42-210,290,409.90

Finding the Fourth Proportional to 379,828,616.09, 524,152,232.42 and 210,290,409.90

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Solution

The fourth proportional to 379,828,616.09, 524,152,232.42 and 210,290,409.90 is: 290,194,532.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,828,616.09 : 524,152,232.42 = 210,290,409.90 : x
  2. Step 2: Convert to fraction form
    379,828,616.09/524,152,232.42 = 210,290,409.90/x
  3. Step 3: Cross multiply
    379,828,616.09x = 524,152,232.42 × 210,290,409.90
  4. Step 4: Simplify right side
    379,828,616.09x = 110,224,187,804,550,432
  5. Step 5: Solve for x
    x = 110,224,187,804,550,432/379,828,616.09
  6. Step 6: Final answer
    x = 290,194,532.84

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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.