Home / 659,206,428.01-909,705,867.14-357,791,847.64

Finding the Fourth Proportional to 659,206,428.01, 909,705,867.14 and 357,791,847.64

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Solution

The fourth proportional to 659,206,428.01, 909,705,867.14 and 357,791,847.64 is: 493,753,290.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,206,428.01 : 909,705,867.14 = 357,791,847.64 : x
  2. Step 2: Convert to fraction form
    659,206,428.01/909,705,867.14 = 357,791,847.64/x
  3. Step 3: Cross multiply
    659,206,428.01x = 909,705,867.14 × 357,791,847.64
  4. Step 4: Simplify right side
    659,206,428.01x = 325,485,343,011,589,184
  5. Step 5: Solve for x
    x = 325,485,343,011,589,184/659,206,428.01
  6. Step 6: Final answer
    x = 493,753,290.60

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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.