Home / 445,515,056.48-668,928,591.84-249,163,167.68

Finding the Fourth Proportional to 445,515,056.48, 668,928,591.84 and 249,163,167.68

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Solution

The fourth proportional to 445,515,056.48, 668,928,591.84 and 249,163,167.68 is: 374,111,636.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,515,056.48 : 668,928,591.84 = 249,163,167.68 : x
  2. Step 2: Convert to fraction form
    445,515,056.48/668,928,591.84 = 249,163,167.68/x
  3. Step 3: Cross multiply
    445,515,056.48x = 668,928,591.84 × 249,163,167.68
  4. Step 4: Simplify right side
    445,515,056.48x = 166,672,366,894,576,224
  5. Step 5: Solve for x
    x = 166,672,366,894,576,224/445,515,056.48
  6. Step 6: Final answer
    x = 374,111,636.57

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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.