Home / 456,728,172.54-630,285,486.30-247,884,315.18

Finding the Fourth Proportional to 456,728,172.54, 630,285,486.30 and 247,884,315.18

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Solution

The fourth proportional to 456,728,172.54, 630,285,486.30 and 247,884,315.18 is: 342,080,685.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,728,172.54 : 630,285,486.30 = 247,884,315.18 : x
  2. Step 2: Convert to fraction form
    456,728,172.54/630,285,486.30 = 247,884,315.18/x
  3. Step 3: Cross multiply
    456,728,172.54x = 630,285,486.30 × 247,884,315.18
  4. Step 4: Simplify right side
    456,728,172.54x = 156,237,886,139,368,768
  5. Step 5: Solve for x
    x = 156,237,886,139,368,768/456,728,172.54
  6. Step 6: Final answer
    x = 342,080,685.04

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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.