Home / 412,501,128.93-569,112,096.87-233,865,853.56

Finding the Fourth Proportional to 412,501,128.93, 569,112,096.87 and 233,865,853.56

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Solution

The fourth proportional to 412,501,128.93, 569,112,096.87 and 233,865,853.56 is: 322,655,811.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,501,128.93 : 569,112,096.87 = 233,865,853.56 : x
  2. Step 2: Convert to fraction form
    412,501,128.93/569,112,096.87 = 233,865,853.56/x
  3. Step 3: Cross multiply
    412,501,128.93x = 569,112,096.87 × 233,865,853.56
  4. Step 4: Simplify right side
    412,501,128.93x = 133,095,886,305,823,952
  5. Step 5: Solve for x
    x = 133,095,886,305,823,952/412,501,128.93
  6. Step 6: Final answer
    x = 322,655,811.03

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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.