Home / 632,925,771.90-949,388,657.85-426,301,511.10

Finding the Fourth Proportional to 632,925,771.90, 949,388,657.85 and 426,301,511.10

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Solution

The fourth proportional to 632,925,771.90, 949,388,657.85 and 426,301,511.10 is: 639,452,266.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,925,771.90 : 949,388,657.85 = 426,301,511.10 : x
  2. Step 2: Convert to fraction form
    632,925,771.90/949,388,657.85 = 426,301,511.10/x
  3. Step 3: Cross multiply
    632,925,771.90x = 949,388,657.85 × 426,301,511.10
  4. Step 4: Simplify right side
    632,925,771.90x = 404,725,819,462,655,936
  5. Step 5: Solve for x
    x = 404,725,819,462,655,936/632,925,771.90
  6. Step 6: Final answer
    x = 639,452,266.65

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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.