Home / 287,937,596.90-432,148,627.71-269,777,240.98

Finding the Fourth Proportional to 287,937,596.90, 432,148,627.71 and 269,777,240.98

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Solution

The fourth proportional to 287,937,596.90, 432,148,627.71 and 269,777,240.98 is: 404,892,816.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,937,596.90 : 432,148,627.71 = 269,777,240.98 : x
  2. Step 2: Convert to fraction form
    287,937,596.90/432,148,627.71 = 269,777,240.98/x
  3. Step 3: Cross multiply
    287,937,596.90x = 432,148,627.71 × 269,777,240.98
  4. Step 4: Simplify right side
    287,937,596.90x = 116,583,864,476,896,976
  5. Step 5: Solve for x
    x = 116,583,864,476,896,976/287,937,596.90
  6. Step 6: Final answer
    x = 404,892,816.12

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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.