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Finding the Fourth Proportional to 583,901,092.92, 805,696,831.08 and 354,636,561

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Solution

The fourth proportional to 583,901,092.92, 805,696,831.08 and 354,636,561 is: 489,345,810.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,901,092.92 : 805,696,831.08 = 354,636,561 : x
  2. Step 2: Convert to fraction form
    583,901,092.92/805,696,831.08 = 354,636,561/x
  3. Step 3: Cross multiply
    583,901,092.92x = 805,696,831.08 × 354,636,561
  4. Step 4: Simplify right side
    583,901,092.92x = 285,729,553,382,809,120
  5. Step 5: Solve for x
    x = 285,729,553,382,809,120/583,901,092.92
  6. Step 6: Final answer
    x = 489,345,810.18

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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.