Home / 456,762,230.16-630,314,999.20-247,913,888.78

Finding the Fourth Proportional to 456,762,230.16, 630,314,999.20 and 247,913,888.78

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Solution

The fourth proportional to 456,762,230.16, 630,314,999.20 and 247,913,888.78 is: 342,112,005.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,762,230.16 : 630,314,999.20 = 247,913,888.78 : x
  2. Step 2: Convert to fraction form
    456,762,230.16/630,314,999.20 = 247,913,888.78/x
  3. Step 3: Cross multiply
    456,762,230.16x = 630,314,999.20 × 247,913,888.78
  4. Step 4: Simplify right side
    456,762,230.16x = 156,263,842,604,263,232
  5. Step 5: Solve for x
    x = 156,263,842,604,263,232/456,762,230.16
  6. Step 6: Final answer
    x = 342,112,005.52

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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.