Home / 644,835,042.90-889,872,598.53-366,376,932.18

Finding the Fourth Proportional to 644,835,042.90, 889,872,598.53 and 366,376,932.18

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Solution

The fourth proportional to 644,835,042.90, 889,872,598.53 and 366,376,932.18 is: 505,600,302.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,835,042.90 : 889,872,598.53 = 366,376,932.18 : x
  2. Step 2: Convert to fraction form
    644,835,042.90/889,872,598.53 = 366,376,932.18/x
  3. Step 3: Cross multiply
    644,835,042.90x = 889,872,598.53 × 366,376,932.18
  4. Step 4: Simplify right side
    644,835,042.90x = 326,028,792,680,466,176
  5. Step 5: Solve for x
    x = 326,028,792,680,466,176/644,835,042.90
  6. Step 6: Final answer
    x = 505,600,302.39

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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.