Home / 987,538,186.06-1,361,484,344.72-784,527,131.17

Finding the Fourth Proportional to 987,538,186.06, 1,361,484,344.72 and 784,527,131.17

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Solution

The fourth proportional to 987,538,186.06, 1,361,484,344.72 and 784,527,131.17 is: 1,081,600,106.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,538,186.06 : 1,361,484,344.72 = 784,527,131.17 : x
  2. Step 2: Convert to fraction form
    987,538,186.06/1,361,484,344.72 = 784,527,131.17/x
  3. Step 3: Cross multiply
    987,538,186.06x = 1,361,484,344.72 × 784,527,131.17
  4. Step 4: Simplify right side
    987,538,186.06x = 1,068,121,407,096,048,896
  5. Step 5: Solve for x
    x = 1,068,121,407,096,048,896/987,538,186.06
  6. Step 6: Final answer
    x = 1,081,600,106.38

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1.5x scale

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.