Home / 428,501,363,038.65-591,331,977,514.85-235,813,535,964.13

Finding the Fourth Proportional to 428,501,363,038.65, 591,331,977,514.85 and 235,813,535,964.13

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Solution

The fourth proportional to 428,501,363,038.65, 591,331,977,514.85 and 235,813,535,964.13 is: 325,422,732,748.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,501,363,038.65 : 591,331,977,514.85 = 235,813,535,964.13 : x
  2. Step 2: Convert to fraction form
    428,501,363,038.65/591,331,977,514.85 = 235,813,535,964.13/x
  3. Step 3: Cross multiply
    428,501,363,038.65x = 591,331,977,514.85 × 235,813,535,964.13
  4. Step 4: Simplify right side
    428,501,363,038.65x = 139,444,084,546,438,195,838,976
  5. Step 5: Solve for x
    x = 139,444,084,546,438,195,838,976/428,501,363,038.65
  6. Step 6: Final answer
    x = 325,422,732,748.37

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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.