Home / 307,250,815.35-424,038,984.02-188,252,379.95

Finding the Fourth Proportional to 307,250,815.35, 424,038,984.02 and 188,252,379.95

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Solution

The fourth proportional to 307,250,815.35, 424,038,984.02 and 188,252,379.95 is: 259,808,416.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,250,815.35 : 424,038,984.02 = 188,252,379.95 : x
  2. Step 2: Convert to fraction form
    307,250,815.35/424,038,984.02 = 188,252,379.95/x
  3. Step 3: Cross multiply
    307,250,815.35x = 424,038,984.02 × 188,252,379.95
  4. Step 4: Simplify right side
    307,250,815.35x = 79,826,347,930,989,504
  5. Step 5: Solve for x
    x = 79,826,347,930,989,504/307,250,815.35
  6. Step 6: Final answer
    x = 259,808,416.91

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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.