Home / 547,197,471.93-820,934,790.81-159,011,970.33

Finding the Fourth Proportional to 547,197,471.93, 820,934,790.81 and 159,011,970.33

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Solution

The fourth proportional to 547,197,471.93, 820,934,790.81 and 159,011,970.33 is: 238,558,226.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,197,471.93 : 820,934,790.81 = 159,011,970.33 : x
  2. Step 2: Convert to fraction form
    547,197,471.93/820,934,790.81 = 159,011,970.33/x
  3. Step 3: Cross multiply
    547,197,471.93x = 820,934,790.81 × 159,011,970.33
  4. Step 4: Simplify right side
    547,197,471.93x = 130,538,458,599,144,480
  5. Step 5: Solve for x
    x = 130,538,458,599,144,480/547,197,471.93
  6. Step 6: Final answer
    x = 238,558,226.77

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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.