Home / 628,539,038.92-867,305,273.56-364,216,228.72

Finding the Fourth Proportional to 628,539,038.92, 867,305,273.56 and 364,216,228.72

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Solution

The fourth proportional to 628,539,038.92, 867,305,273.56 and 364,216,228.72 is: 502,572,849.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,539,038.92 : 867,305,273.56 = 364,216,228.72 : x
  2. Step 2: Convert to fraction form
    628,539,038.92/867,305,273.56 = 364,216,228.72/x
  3. Step 3: Cross multiply
    628,539,038.92x = 867,305,273.56 × 364,216,228.72
  4. Step 4: Simplify right side
    628,539,038.92x = 315,886,655,884,991,104
  5. Step 5: Solve for x
    x = 315,886,655,884,991,104/628,539,038.92
  6. Step 6: Final answer
    x = 502,572,849.62

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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.