Home / 670,444,836.93-925,294,420.25-406,119,074.31

Finding the Fourth Proportional to 670,444,836.93, 925,294,420.25 and 406,119,074.31

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Solution

The fourth proportional to 670,444,836.93, 925,294,420.25 and 406,119,074.31 is: 560,493,112.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,444,836.93 : 925,294,420.25 = 406,119,074.31 : x
  2. Step 2: Convert to fraction form
    670,444,836.93/925,294,420.25 = 406,119,074.31/x
  3. Step 3: Cross multiply
    670,444,836.93x = 925,294,420.25 × 406,119,074.31
  4. Step 4: Simplify right side
    670,444,836.93x = 375,779,713,416,138,112
  5. Step 5: Solve for x
    x = 375,779,713,416,138,112/670,444,836.93
  6. Step 6: Final answer
    x = 560,493,112.51

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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.