Home / 489,033,056,009.45-733,884,659,142.49-170,679,254,678.71

Finding the Fourth Proportional to 489,033,056,009.45, 733,884,659,142.49 and 170,679,254,678.71

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Solution

The fourth proportional to 489,033,056,009.45, 733,884,659,142.49 and 170,679,254,678.71 is: 256,135,827,840.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,033,056,009.45 : 733,884,659,142.49 = 170,679,254,678.71 : x
  2. Step 2: Convert to fraction form
    489,033,056,009.45/733,884,659,142.49 = 170,679,254,678.71/x
  3. Step 3: Cross multiply
    489,033,056,009.45x = 733,884,659,142.49 × 170,679,254,678.71
  4. Step 4: Simplify right side
    489,033,056,009.45x = 125,258,886,642,579,319,816,192
  5. Step 5: Solve for x
    x = 125,258,886,642,579,319,816,192/489,033,056,009.45
  6. Step 6: Final answer
    x = 256,135,827,840.97

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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.