Home / 314,712,007.70-472,493,164.35-199,920,751.70

Finding the Fourth Proportional to 314,712,007.70, 472,493,164.35 and 199,920,751.70

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Solution

The fourth proportional to 314,712,007.70, 472,493,164.35 and 199,920,751.70 is: 300,151,205.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,712,007.70 : 472,493,164.35 = 199,920,751.70 : x
  2. Step 2: Convert to fraction form
    314,712,007.70/472,493,164.35 = 199,920,751.70/x
  3. Step 3: Cross multiply
    314,712,007.70x = 472,493,164.35 × 199,920,751.70
  4. Step 4: Simplify right side
    314,712,007.70x = 94,461,188,589,963,648
  5. Step 5: Solve for x
    x = 94,461,188,589,963,648/314,712,007.70
  6. Step 6: Final answer
    x = 300,151,205.80

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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.