Home / 255,638,672.40-383,458,008.60-174,009,334.80

Finding the Fourth Proportional to 255,638,672.40, 383,458,008.60 and 174,009,334.80

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Solution

The fourth proportional to 255,638,672.40, 383,458,008.60 and 174,009,334.80 is: 261,014,002.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,638,672.40 : 383,458,008.60 = 174,009,334.80 : x
  2. Step 2: Convert to fraction form
    255,638,672.40/383,458,008.60 = 174,009,334.80/x
  3. Step 3: Cross multiply
    255,638,672.40x = 383,458,008.60 × 174,009,334.80
  4. Step 4: Simplify right side
    255,638,672.40x = 66,725,273,000,218,688
  5. Step 5: Solve for x
    x = 66,725,273,000,218,688/255,638,672.40
  6. Step 6: Final answer
    x = 261,014,002.20

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1.5x scale

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.