Home / 1,145,413,388.72-1,717,806,514.80-316,168,795.64

Finding the Fourth Proportional to 1,145,413,388.72, 1,717,806,514.80 and 316,168,795.64

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Solution

The fourth proportional to 1,145,413,388.72, 1,717,806,514.80 and 316,168,795.64 is: 474,166,639.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,413,388.72 : 1,717,806,514.80 = 316,168,795.64 : x
  2. Step 2: Convert to fraction form
    1,145,413,388.72/1,717,806,514.80 = 316,168,795.64/x
  3. Step 3: Cross multiply
    1,145,413,388.72x = 1,717,806,514.80 × 316,168,795.64
  4. Step 4: Simplify right side
    1,145,413,388.72x = 543,116,816,926,861,824
  5. Step 5: Solve for x
    x = 543,116,816,926,861,824/1,145,413,388.72
  6. Step 6: Final answer
    x = 474,166,639.12

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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.