Home / 965,689,621.60-1,448,534,432.40-352,293,858.40

Finding the Fourth Proportional to 965,689,621.60, 1,448,534,432.40 and 352,293,858.40

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Solution

The fourth proportional to 965,689,621.60, 1,448,534,432.40 and 352,293,858.40 is: 528,440,787.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,689,621.60 : 1,448,534,432.40 = 352,293,858.40 : x
  2. Step 2: Convert to fraction form
    965,689,621.60/1,448,534,432.40 = 352,293,858.40/x
  3. Step 3: Cross multiply
    965,689,621.60x = 1,448,534,432.40 × 352,293,858.40
  4. Step 4: Simplify right side
    965,689,621.60x = 510,309,784,215,449,984
  5. Step 5: Solve for x
    x = 510,309,784,215,449,984/965,689,621.60
  6. Step 6: Final answer
    x = 528,440,787.60

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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.