Home / 497,849,281.52-687,014,002.20-274,826,176.40

Finding the Fourth Proportional to 497,849,281.52, 687,014,002.20 and 274,826,176.40

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Solution

The fourth proportional to 497,849,281.52, 687,014,002.20 and 274,826,176.40 is: 379,250,183.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,849,281.52 : 687,014,002.20 = 274,826,176.40 : x
  2. Step 2: Convert to fraction form
    497,849,281.52/687,014,002.20 = 274,826,176.40/x
  3. Step 3: Cross multiply
    497,849,281.52x = 687,014,002.20 × 274,826,176.40
  4. Step 4: Simplify right side
    497,849,281.52x = 188,809,431,357,887,200
  5. Step 5: Solve for x
    x = 188,809,431,357,887,200/497,849,281.52
  6. Step 6: Final answer
    x = 379,250,183.47

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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.