Home / 1,979,209,837.77-2,967,375,335.07-929,407,088.61

Finding the Fourth Proportional to 1,979,209,837.77, 2,967,375,335.07 and 929,407,088.61

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Solution

The fourth proportional to 1,979,209,837.77, 2,967,375,335.07 and 929,407,088.61 is: 1,393,434,702.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,979,209,837.77 : 2,967,375,335.07 = 929,407,088.61 : x
  2. Step 2: Convert to fraction form
    1,979,209,837.77/2,967,375,335.07 = 929,407,088.61/x
  3. Step 3: Cross multiply
    1,979,209,837.77x = 2,967,375,335.07 × 929,407,088.61
  4. Step 4: Simplify right side
    1,979,209,837.77x = 2,757,899,670,980,532,224
  5. Step 5: Solve for x
    x = 2,757,899,670,980,532,224/1,979,209,837.77
  6. Step 6: Final answer
    x = 1,393,434,702.25

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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.