Home / 357,880,672.02-493,865,323.38-216,835,400.24

Finding the Fourth Proportional to 357,880,672.02, 493,865,323.38 and 216,835,400.24

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Solution

The fourth proportional to 357,880,672.02, 493,865,323.38 and 216,835,400.24 is: 299,226,791.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,880,672.02 : 493,865,323.38 = 216,835,400.24 : x
  2. Step 2: Convert to fraction form
    357,880,672.02/493,865,323.38 = 216,835,400.24/x
  3. Step 3: Cross multiply
    357,880,672.02x = 493,865,323.38 × 216,835,400.24
  4. Step 4: Simplify right side
    357,880,672.02x = 107,087,485,059,759,328
  5. Step 5: Solve for x
    x = 107,087,485,059,759,328/357,880,672.02
  6. Step 6: Final answer
    x = 299,226,791.03

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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.