Home / 674,181,407.21-1,011,272,113.25-189,507,215.21

Finding the Fourth Proportional to 674,181,407.21, 1,011,272,113.25 and 189,507,215.21

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Solution

The fourth proportional to 674,181,407.21, 1,011,272,113.25 and 189,507,215.21 is: 284,260,823.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,181,407.21 : 1,011,272,113.25 = 189,507,215.21 : x
  2. Step 2: Convert to fraction form
    674,181,407.21/1,011,272,113.25 = 189,507,215.21/x
  3. Step 3: Cross multiply
    674,181,407.21x = 1,011,272,113.25 × 189,507,215.21
  4. Step 4: Simplify right side
    674,181,407.21x = 191,643,362,000,591,712
  5. Step 5: Solve for x
    x = 191,643,362,000,591,712/674,181,407.21
  6. Step 6: Final answer
    x = 284,260,823.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.