Home / 1,107,980,503.63-1,662,428,582.03-485,873,831.95

Finding the Fourth Proportional to 1,107,980,503.63, 1,662,428,582.03 and 485,873,831.95

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Solution

The fourth proportional to 1,107,980,503.63, 1,662,428,582.03 and 485,873,831.95 is: 729,011,514.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,980,503.63 : 1,662,428,582.03 = 485,873,831.95 : x
  2. Step 2: Convert to fraction form
    1,107,980,503.63/1,662,428,582.03 = 485,873,831.95/x
  3. Step 3: Cross multiply
    1,107,980,503.63x = 1,662,428,582.03 × 485,873,831.95
  4. Step 4: Simplify right side
    1,107,980,503.63x = 807,730,545,494,120,960
  5. Step 5: Solve for x
    x = 807,730,545,494,120,960/1,107,980,503.63
  6. Step 6: Final answer
    x = 729,011,514.96

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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.