Home / 578,331,648,100.80-867,497,472,151.20-205,967,499,364.80

Finding the Fourth Proportional to 578,331,648,100.80, 867,497,472,151.20 and 205,967,499,364.80

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Solution

The fourth proportional to 578,331,648,100.80, 867,497,472,151.20 and 205,967,499,364.80 is: 308,951,249,047.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,331,648,100.80 : 867,497,472,151.20 = 205,967,499,364.80 : x
  2. Step 2: Convert to fraction form
    578,331,648,100.80/867,497,472,151.20 = 205,967,499,364.80/x
  3. Step 3: Cross multiply
    578,331,648,100.80x = 867,497,472,151.20 × 205,967,499,364.80
  4. Step 4: Simplify right side
    578,331,648,100.80x = 178,676,285,044,267,887,362,048
  5. Step 5: Solve for x
    x = 178,676,285,044,267,887,362,048/578,331,648,100.80
  6. Step 6: Final answer
    x = 308,951,249,047.20

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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.