Home / 587,911,144.23-810,904,319.43-386,903,976.03

Finding the Fourth Proportional to 587,911,144.23, 810,904,319.43 and 386,903,976.03

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Solution

The fourth proportional to 587,911,144.23, 810,904,319.43 and 386,903,976.03 is: 533,655,652.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,911,144.23 : 810,904,319.43 = 386,903,976.03 : x
  2. Step 2: Convert to fraction form
    587,911,144.23/810,904,319.43 = 386,903,976.03/x
  3. Step 3: Cross multiply
    587,911,144.23x = 810,904,319.43 × 386,903,976.03
  4. Step 4: Simplify right side
    587,911,144.23x = 313,742,105,367,368,128
  5. Step 5: Solve for x
    x = 313,742,105,367,368,128/587,911,144.23
  6. Step 6: Final answer
    x = 533,655,652.64

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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.