Home / 649,326,831.46-973,976,601.33-158,042,842.02

Finding the Fourth Proportional to 649,326,831.46, 973,976,601.33 and 158,042,842.02

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Solution

The fourth proportional to 649,326,831.46, 973,976,601.33 and 158,042,842.02 is: 237,060,941.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,326,831.46 : 973,976,601.33 = 158,042,842.02 : x
  2. Step 2: Convert to fraction form
    649,326,831.46/973,976,601.33 = 158,042,842.02/x
  3. Step 3: Cross multiply
    649,326,831.46x = 973,976,601.33 × 158,042,842.02
  4. Step 4: Simplify right side
    649,326,831.46x = 153,930,030,135,173,728
  5. Step 5: Solve for x
    x = 153,930,030,135,173,728/649,326,831.46
  6. Step 6: Final answer
    x = 237,060,941.70

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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.