Home / 636,668,061.76-955,105,747.04-188,016,831.12

Finding the Fourth Proportional to 636,668,061.76, 955,105,747.04 and 188,016,831.12

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Solution

The fourth proportional to 636,668,061.76, 955,105,747.04 and 188,016,831.12 is: 282,055,857.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,668,061.76 : 955,105,747.04 = 188,016,831.12 : x
  2. Step 2: Convert to fraction form
    636,668,061.76/955,105,747.04 = 188,016,831.12/x
  3. Step 3: Cross multiply
    636,668,061.76x = 955,105,747.04 × 188,016,831.12
  4. Step 4: Simplify right side
    636,668,061.76x = 179,575,955,947,012,800
  5. Step 5: Solve for x
    x = 179,575,955,947,012,800/636,668,061.76
  6. Step 6: Final answer
    x = 282,055,857.26

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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.