Home / 456,810,187.80-630,409,173.66-247,974,890.52

Finding the Fourth Proportional to 456,810,187.80, 630,409,173.66 and 247,974,890.52

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Solution

The fourth proportional to 456,810,187.80, 630,409,173.66 and 247,974,890.52 is: 342,211,382.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,810,187.80 : 630,409,173.66 = 247,974,890.52 : x
  2. Step 2: Convert to fraction form
    456,810,187.80/630,409,173.66 = 247,974,890.52/x
  3. Step 3: Cross multiply
    456,810,187.80x = 630,409,173.66 × 247,974,890.52
  4. Step 4: Simplify right side
    456,810,187.80x = 156,325,645,821,142,176
  5. Step 5: Solve for x
    x = 156,325,645,821,142,176/456,810,187.80
  6. Step 6: Final answer
    x = 342,211,382.31

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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.