Home / 607,569,490.98-838,428,718.23-356,669,852.58

Finding the Fourth Proportional to 607,569,490.98, 838,428,718.23 and 356,669,852.58

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Solution

The fourth proportional to 607,569,490.98, 838,428,718.23 and 356,669,852.58 is: 492,194,311.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,569,490.98 : 838,428,718.23 = 356,669,852.58 : x
  2. Step 2: Convert to fraction form
    607,569,490.98/838,428,718.23 = 356,669,852.58/x
  3. Step 3: Cross multiply
    607,569,490.98x = 838,428,718.23 × 356,669,852.58
  4. Step 4: Simplify right side
    607,569,490.98x = 299,042,247,329,932,480
  5. Step 5: Solve for x
    x = 299,042,247,329,932,480/607,569,490.98
  6. Step 6: Final answer
    x = 492,194,311.55

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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.