Home / 457,180,211.32-630,908,211.50-248,336,517.31

Finding the Fourth Proportional to 457,180,211.32, 630,908,211.50 and 248,336,517.31

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Solution

The fourth proportional to 457,180,211.32, 630,908,211.50 and 248,336,517.31 is: 342,704,133.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,180,211.32 : 630,908,211.50 = 248,336,517.31 : x
  2. Step 2: Convert to fraction form
    457,180,211.32/630,908,211.50 = 248,336,517.31/x
  3. Step 3: Cross multiply
    457,180,211.32x = 630,908,211.50 × 248,336,517.31
  4. Step 4: Simplify right side
    457,180,211.32x = 156,677,547,984,303,200
  5. Step 5: Solve for x
    x = 156,677,547,984,303,200/457,180,211.32
  6. Step 6: Final answer
    x = 342,704,133.09

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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.