Home / 18,282,678,916.80-25,204,592,831.76-12,262,260,177.12

Finding the Fourth Proportional to 18,282,678,916.80, 25,204,592,831.76 and 12,262,260,177.12

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Solution

The fourth proportional to 18,282,678,916.80, 25,204,592,831.76 and 12,262,260,177.12 is: 16,904,813,368.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,282,678,916.80 : 25,204,592,831.76 = 12,262,260,177.12 : x
  2. Step 2: Convert to fraction form
    18,282,678,916.80/25,204,592,831.76 = 12,262,260,177.12/x
  3. Step 3: Cross multiply
    18,282,678,916.80x = 25,204,592,831.76 × 12,262,260,177.12
  4. Step 4: Simplify right side
    18,282,678,916.80x = 309,065,274,961,414,848,512
  5. Step 5: Solve for x
    x = 309,065,274,961,414,848,512/18,282,678,916.80
  6. Step 6: Final answer
    x = 16,904,813,368.32

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1.5x scale

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.