Home / 613,519,489.86-920,298,130.47-268,295,416.26

Finding the Fourth Proportional to 613,519,489.86, 920,298,130.47 and 268,295,416.26

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Solution

The fourth proportional to 613,519,489.86, 920,298,130.47 and 268,295,416.26 is: 402,451,387.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,519,489.86 : 920,298,130.47 = 268,295,416.26 : x
  2. Step 2: Convert to fraction form
    613,519,489.86/920,298,130.47 = 268,295,416.26/x
  3. Step 3: Cross multiply
    613,519,489.86x = 920,298,130.47 × 268,295,416.26
  4. Step 4: Simplify right side
    613,519,489.86x = 246,911,769,997,748,448
  5. Step 5: Solve for x
    x = 246,911,769,997,748,448/613,519,489.86
  6. Step 6: Final answer
    x = 402,451,387.57

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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.