Home / 254,920,328.42-380,929,302.83-191,408,324.81

Finding the Fourth Proportional to 254,920,328.42, 380,929,302.83 and 191,408,324.81

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Solution

The fourth proportional to 254,920,328.42, 380,929,302.83 and 191,408,324.81 is: 286,022,853.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,920,328.42 : 380,929,302.83 = 191,408,324.81 : x
  2. Step 2: Convert to fraction form
    254,920,328.42/380,929,302.83 = 191,408,324.81/x
  3. Step 3: Cross multiply
    254,920,328.42x = 380,929,302.83 × 191,408,324.81
  4. Step 4: Simplify right side
    254,920,328.42x = 72,913,039,724,305,360
  5. Step 5: Solve for x
    x = 72,913,039,724,305,360/254,920,328.42
  6. Step 6: Final answer
    x = 286,022,853.41

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.