Home / 583,901,049.79-805,696,771.58-354,636,517.87

Finding the Fourth Proportional to 583,901,049.79, 805,696,771.58 and 354,636,517.87

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Solution

The fourth proportional to 583,901,049.79, 805,696,771.58 and 354,636,517.87 is: 489,345,750.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,901,049.79 : 805,696,771.58 = 354,636,517.87 : x
  2. Step 2: Convert to fraction form
    583,901,049.79/805,696,771.58 = 354,636,517.87/x
  3. Step 3: Cross multiply
    583,901,049.79x = 805,696,771.58 × 354,636,517.87
  4. Step 4: Simplify right side
    583,901,049.79x = 285,729,497,528,444,576
  5. Step 5: Solve for x
    x = 285,729,497,528,444,576/583,901,049.79
  6. Step 6: Final answer
    x = 489,345,750.68

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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.