Home / 578,850,331.95-868,088,903.04-190,580,718.33

Finding the Fourth Proportional to 578,850,331.95, 868,088,903.04 and 190,580,718.33

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Solution

The fourth proportional to 578,850,331.95, 868,088,903.04 and 190,580,718.33 is: 285,809,642.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,850,331.95 : 868,088,903.04 = 190,580,718.33 : x
  2. Step 2: Convert to fraction form
    578,850,331.95/868,088,903.04 = 190,580,718.33/x
  3. Step 3: Cross multiply
    578,850,331.95x = 868,088,903.04 × 190,580,718.33
  4. Step 4: Simplify right side
    578,850,331.95x = 165,441,006,715,664,928
  5. Step 5: Solve for x
    x = 165,441,006,715,664,928/578,850,331.95
  6. Step 6: Final answer
    x = 285,809,642.98

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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.