Home / 645,408,047.30-968,112,070.95-160,733,855.30

Finding the Fourth Proportional to 645,408,047.30, 968,112,070.95 and 160,733,855.30

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Solution

The fourth proportional to 645,408,047.30, 968,112,070.95 and 160,733,855.30 is: 241,100,782.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,408,047.30 : 968,112,070.95 = 160,733,855.30 : x
  2. Step 2: Convert to fraction form
    645,408,047.30/968,112,070.95 = 160,733,855.30/x
  3. Step 3: Cross multiply
    645,408,047.30x = 968,112,070.95 × 160,733,855.30
  4. Step 4: Simplify right side
    645,408,047.30x = 155,608,385,526,260,640
  5. Step 5: Solve for x
    x = 155,608,385,526,260,640/645,408,047.30
  6. Step 6: Final answer
    x = 241,100,782.95

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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.