Home / 555,893,305,390.62-767,090,661,328.64-311,975,665,831.52

Finding the Fourth Proportional to 555,893,305,390.62, 767,090,661,328.64 and 311,975,665,831.52

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Solution

The fourth proportional to 555,893,305,390.62, 767,090,661,328.64 and 311,975,665,831.52 is: 430,502,791,633.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,893,305,390.62 : 767,090,661,328.64 = 311,975,665,831.52 : x
  2. Step 2: Convert to fraction form
    555,893,305,390.62/767,090,661,328.64 = 311,975,665,831.52/x
  3. Step 3: Cross multiply
    555,893,305,390.62x = 767,090,661,328.64 × 311,975,665,831.52
  4. Step 4: Simplify right side
    555,893,305,390.62x = 239,313,619,821,143,479,287,808
  5. Step 5: Solve for x
    x = 239,313,619,821,143,479,287,808/555,893,305,390.62
  6. Step 6: Final answer
    x = 430,502,791,633.69

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.