Home / 371,737,986.80-557,606,980.20-331,561,047.20

Finding the Fourth Proportional to 371,737,986.80, 557,606,980.20 and 331,561,047.20

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Solution

The fourth proportional to 371,737,986.80, 557,606,980.20 and 331,561,047.20 is: 497,341,570.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,737,986.80 : 557,606,980.20 = 331,561,047.20 : x
  2. Step 2: Convert to fraction form
    371,737,986.80/557,606,980.20 = 331,561,047.20/x
  3. Step 3: Cross multiply
    371,737,986.80x = 557,606,980.20 × 331,561,047.20
  4. Step 4: Simplify right side
    371,737,986.80x = 184,880,754,281,141,664
  5. Step 5: Solve for x
    x = 184,880,754,281,141,664/371,737,986.80
  6. Step 6: Final answer
    x = 497,341,570.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.