Home / 470,315,375.64-649,037,740.14-258,635,853.36

Finding the Fourth Proportional to 470,315,375.64, 649,037,740.14 and 258,635,853.36

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Solution

The fourth proportional to 470,315,375.64, 649,037,740.14 and 258,635,853.36 is: 356,918,864.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,315,375.64 : 649,037,740.14 = 258,635,853.36 : x
  2. Step 2: Convert to fraction form
    470,315,375.64/649,037,740.14 = 258,635,853.36/x
  3. Step 3: Cross multiply
    470,315,375.64x = 649,037,740.14 × 258,635,853.36
  4. Step 4: Simplify right side
    470,315,375.64x = 167,864,429,783,954,816
  5. Step 5: Solve for x
    x = 167,864,429,783,954,816/470,315,375.64
  6. Step 6: Final answer
    x = 356,918,864.40

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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.