Home / 435,089,092.60-652,651,648.84-128,381,205.47

Finding the Fourth Proportional to 435,089,092.60, 652,651,648.84 and 128,381,205.47

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Solution

The fourth proportional to 435,089,092.60, 652,651,648.84 and 128,381,205.47 is: 192,577,122.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,089,092.60 : 652,651,648.84 = 128,381,205.47 : x
  2. Step 2: Convert to fraction form
    435,089,092.60/652,651,648.84 = 128,381,205.47/x
  3. Step 3: Cross multiply
    435,089,092.60x = 652,651,648.84 × 128,381,205.47
  4. Step 4: Simplify right side
    435,089,092.60x = 83,788,205,430,062,336
  5. Step 5: Solve for x
    x = 83,788,205,430,062,336/435,089,092.60
  6. Step 6: Final answer
    x = 192,577,122.38

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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.