Home / 578,392,661.26-867,587,099.64-209,927,122.48

Finding the Fourth Proportional to 578,392,661.26, 867,587,099.64 and 209,927,122.48

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Solution

The fourth proportional to 578,392,661.26, 867,587,099.64 and 209,927,122.48 is: 314,889,996.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,392,661.26 : 867,587,099.64 = 209,927,122.48 : x
  2. Step 2: Convert to fraction form
    578,392,661.26/867,587,099.64 = 209,927,122.48/x
  3. Step 3: Cross multiply
    578,392,661.26x = 867,587,099.64 × 209,927,122.48
  4. Step 4: Simplify right side
    578,392,661.26x = 182,130,063,328,194,240
  5. Step 5: Solve for x
    x = 182,130,063,328,194,240/578,392,661.26
  6. Step 6: Final answer
    x = 314,889,996.93

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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.