Home / 647,083,670.10-970,625,505.15-414,631,376.70

Finding the Fourth Proportional to 647,083,670.10, 970,625,505.15 and 414,631,376.70

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Solution

The fourth proportional to 647,083,670.10, 970,625,505.15 and 414,631,376.70 is: 621,947,065.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,083,670.10 : 970,625,505.15 = 414,631,376.70 : x
  2. Step 2: Convert to fraction form
    647,083,670.10/970,625,505.15 = 414,631,376.70/x
  3. Step 3: Cross multiply
    647,083,670.10x = 970,625,505.15 × 414,631,376.70
  4. Step 4: Simplify right side
    647,083,670.10x = 402,451,789,460,477,440
  5. Step 5: Solve for x
    x = 402,451,789,460,477,440/647,083,670.10
  6. Step 6: Final answer
    x = 621,947,065.05

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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.