Home / 445,824,005.10-668,736,007.65-336,984,888.30

Finding the Fourth Proportional to 445,824,005.10, 668,736,007.65 and 336,984,888.30

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Solution

The fourth proportional to 445,824,005.10, 668,736,007.65 and 336,984,888.30 is: 505,477,332.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,824,005.10 : 668,736,007.65 = 336,984,888.30 : x
  2. Step 2: Convert to fraction form
    445,824,005.10/668,736,007.65 = 336,984,888.30/x
  3. Step 3: Cross multiply
    445,824,005.10x = 668,736,007.65 × 336,984,888.30
  4. Step 4: Simplify right side
    445,824,005.10x = 225,353,928,840,123,200
  5. Step 5: Solve for x
    x = 225,353,928,840,123,200/445,824,005.10
  6. Step 6: Final answer
    x = 505,477,332.45

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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.