Home / 445,824,281.70-668,736,422.55-118,299,161.70

Finding the Fourth Proportional to 445,824,281.70, 668,736,422.55 and 118,299,161.70

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Solution

The fourth proportional to 445,824,281.70, 668,736,422.55 and 118,299,161.70 is: 177,448,742.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,824,281.70 : 668,736,422.55 = 118,299,161.70 : x
  2. Step 2: Convert to fraction form
    445,824,281.70/668,736,422.55 = 118,299,161.70/x
  3. Step 3: Cross multiply
    445,824,281.70x = 668,736,422.55 × 118,299,161.70
  4. Step 4: Simplify right side
    445,824,281.70x = 79,110,958,185,921,968
  5. Step 5: Solve for x
    x = 79,110,958,185,921,968/445,824,281.70
  6. Step 6: Final answer
    x = 177,448,742.55

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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.