Home / 1,515,590,154.78-2,091,492,336.63-846,544,719.90

Finding the Fourth Proportional to 1,515,590,154.78, 2,091,492,336.63 and 846,544,719.90

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Solution

The fourth proportional to 1,515,590,154.78, 2,091,492,336.63 and 846,544,719.90 is: 1,168,219,382.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,590,154.78 : 2,091,492,336.63 = 846,544,719.90 : x
  2. Step 2: Convert to fraction form
    1,515,590,154.78/2,091,492,336.63 = 846,544,719.90/x
  3. Step 3: Cross multiply
    1,515,590,154.78x = 2,091,492,336.63 × 846,544,719.90
  4. Step 4: Simplify right side
    1,515,590,154.78x = 1,770,541,794,285,440,000
  5. Step 5: Solve for x
    x = 1,770,541,794,285,440,000/1,515,590,154.78
  6. Step 6: Final answer
    x = 1,168,219,382.20

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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.