Home / 1,728,909,188.71-2,385,895,479.86-935,955,168.70

Finding the Fourth Proportional to 1,728,909,188.71, 2,385,895,479.86 and 935,955,168.70

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Solution

The fourth proportional to 1,728,909,188.71, 2,385,895,479.86 and 935,955,168.70 is: 1,291,618,565.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,909,188.71 : 2,385,895,479.86 = 935,955,168.70 : x
  2. Step 2: Convert to fraction form
    1,728,909,188.71/2,385,895,479.86 = 935,955,168.70/x
  3. Step 3: Cross multiply
    1,728,909,188.71x = 2,385,895,479.86 × 935,955,168.70
  4. Step 4: Simplify right side
    1,728,909,188.71x = 2,233,091,206,352,933,888
  5. Step 5: Solve for x
    x = 2,233,091,206,352,933,888/1,728,909,188.71
  6. Step 6: Final answer
    x = 1,291,618,565.59

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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.