Home / 488,698,683.96-674,386,831.98-268,680,507.96

Finding the Fourth Proportional to 488,698,683.96, 674,386,831.98 and 268,680,507.96

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Solution

The fourth proportional to 488,698,683.96, 674,386,831.98 and 268,680,507.96 is: 370,769,561.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,698,683.96 : 674,386,831.98 = 268,680,507.96 : x
  2. Step 2: Convert to fraction form
    488,698,683.96/674,386,831.98 = 268,680,507.96/x
  3. Step 3: Cross multiply
    488,698,683.96x = 674,386,831.98 × 268,680,507.96
  4. Step 4: Simplify right side
    488,698,683.96x = 181,194,596,577,921,568
  5. Step 5: Solve for x
    x = 181,194,596,577,921,568/488,698,683.96
  6. Step 6: Final answer
    x = 370,769,561.13

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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.