Home / 445,824,020.10-668,736,030.15-336,984,903.30

Finding the Fourth Proportional to 445,824,020.10, 668,736,030.15 and 336,984,903.30

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Solution

The fourth proportional to 445,824,020.10, 668,736,030.15 and 336,984,903.30 is: 505,477,354.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,824,020.10 : 668,736,030.15 = 336,984,903.30 : x
  2. Step 2: Convert to fraction form
    445,824,020.10/668,736,030.15 = 336,984,903.30/x
  3. Step 3: Cross multiply
    445,824,020.10x = 668,736,030.15 × 336,984,903.30
  4. Step 4: Simplify right side
    445,824,020.10x = 225,353,946,453,323,648
  5. Step 5: Solve for x
    x = 225,353,946,453,323,648/445,824,020.10
  6. Step 6: Final answer
    x = 505,477,354.95

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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.