Home / 289,965,458.34-434,374,228.43-253,614,893.94

Finding the Fourth Proportional to 289,965,458.34, 434,374,228.43 and 253,614,893.94

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Solution

The fourth proportional to 289,965,458.34, 434,374,228.43 and 253,614,893.94 is: 379,920,334.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,965,458.34 : 434,374,228.43 = 253,614,893.94 : x
  2. Step 2: Convert to fraction form
    289,965,458.34/434,374,228.43 = 253,614,893.94/x
  3. Step 3: Cross multiply
    289,965,458.34x = 434,374,228.43 × 253,614,893.94
  4. Step 4: Simplify right side
    289,965,458.34x = 110,163,773,873,226,752
  5. Step 5: Solve for x
    x = 110,163,773,873,226,752/289,965,458.34
  6. Step 6: Final answer
    x = 379,920,334.32

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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.