Home / 497,849,354.10-687,014,100.45-274,826,248.47

Finding the Fourth Proportional to 497,849,354.10, 687,014,100.45 and 274,826,248.47

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Solution

The fourth proportional to 497,849,354.10, 687,014,100.45 and 274,826,248.47 is: 379,250,281.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,849,354.10 : 687,014,100.45 = 274,826,248.47 : x
  2. Step 2: Convert to fraction form
    497,849,354.10/687,014,100.45 = 274,826,248.47/x
  3. Step 3: Cross multiply
    497,849,354.10x = 687,014,100.45 × 274,826,248.47
  4. Step 4: Simplify right side
    497,849,354.10x = 188,809,507,872,665,280
  5. Step 5: Solve for x
    x = 188,809,507,872,665,280/497,849,354.10
  6. Step 6: Final answer
    x = 379,250,281.87

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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.