Home / 406,251,616.32-609,185,323.74-157,373,436.54

Finding the Fourth Proportional to 406,251,616.32, 609,185,323.74 and 157,373,436.54

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Solution

The fourth proportional to 406,251,616.32, 609,185,323.74 and 157,373,436.54 is: 235,985,738.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,251,616.32 : 609,185,323.74 = 157,373,436.54 : x
  2. Step 2: Convert to fraction form
    406,251,616.32/609,185,323.74 = 157,373,436.54/x
  3. Step 3: Cross multiply
    406,251,616.32x = 609,185,323.74 × 157,373,436.54
  4. Step 4: Simplify right side
    406,251,616.32x = 95,869,587,886,696,240
  5. Step 5: Solve for x
    x = 95,869,587,886,696,240/406,251,616.32
  6. Step 6: Final answer
    x = 235,985,738.97

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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.