Home / 634,791,995.15-875,933,629.47-352,496,054.03

Finding the Fourth Proportional to 634,791,995.15, 875,933,629.47 and 352,496,054.03

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Solution

The fourth proportional to 634,791,995.15, 875,933,629.47 and 352,496,054.03 is: 486,400,506.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,791,995.15 : 875,933,629.47 = 352,496,054.03 : x
  2. Step 2: Convert to fraction form
    634,791,995.15/875,933,629.47 = 352,496,054.03/x
  3. Step 3: Cross multiply
    634,791,995.15x = 875,933,629.47 × 352,496,054.03
  4. Step 4: Simplify right side
    634,791,995.15x = 308,763,147,975,971,456
  5. Step 5: Solve for x
    x = 308,763,147,975,971,456/634,791,995.15
  6. Step 6: Final answer
    x = 486,400,506.52

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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.