Home / 434,837,367.54-651,433,068.63-257,042,217.42

Finding the Fourth Proportional to 434,837,367.54, 651,433,068.63 and 257,042,217.42

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Solution

The fourth proportional to 434,837,367.54, 651,433,068.63 and 257,042,217.42 is: 385,076,842.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,837,367.54 : 651,433,068.63 = 257,042,217.42 : x
  2. Step 2: Convert to fraction form
    434,837,367.54/651,433,068.63 = 257,042,217.42/x
  3. Step 3: Cross multiply
    434,837,367.54x = 651,433,068.63 × 257,042,217.42
  4. Step 4: Simplify right side
    434,837,367.54x = 167,445,800,461,370,240
  5. Step 5: Solve for x
    x = 167,445,800,461,370,240/434,837,367.54
  6. Step 6: Final answer
    x = 385,076,842.43

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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.