Home / 445,824,025.70-668,736,038.55-118,298,905.70

Finding the Fourth Proportional to 445,824,025.70, 668,736,038.55 and 118,298,905.70

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Solution

The fourth proportional to 445,824,025.70, 668,736,038.55 and 118,298,905.70 is: 177,448,358.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,824,025.70 : 668,736,038.55 = 118,298,905.70 : x
  2. Step 2: Convert to fraction form
    445,824,025.70/668,736,038.55 = 118,298,905.70/x
  3. Step 3: Cross multiply
    445,824,025.70x = 668,736,038.55 × 118,298,905.70
  4. Step 4: Simplify right side
    445,824,025.70x = 79,110,741,562,618,016
  5. Step 5: Solve for x
    x = 79,110,741,562,618,016/445,824,025.70
  6. Step 6: Final answer
    x = 177,448,358.55

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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.