Home / 1,145,413,315.72-1,717,806,405.16-316,168,722.55

Finding the Fourth Proportional to 1,145,413,315.72, 1,717,806,405.16 and 316,168,722.55

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Solution

The fourth proportional to 1,145,413,315.72, 1,717,806,405.16 and 316,168,722.55 is: 474,166,529.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,413,315.72 : 1,717,806,405.16 = 316,168,722.55 : x
  2. Step 2: Convert to fraction form
    1,145,413,315.72/1,717,806,405.16 = 316,168,722.55/x
  3. Step 3: Cross multiply
    1,145,413,315.72x = 1,717,806,405.16 × 316,168,722.55
  4. Step 4: Simplify right side
    1,145,413,315.72x = 543,116,656,707,644,992
  5. Step 5: Solve for x
    x = 543,116,656,707,644,992/1,145,413,315.72
  6. Step 6: Final answer
    x = 474,166,529.46

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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.