Home / 260,761,485,200.40-391,142,227,800.60-185,009,459,907.60

Finding the Fourth Proportional to 260,761,485,200.40, 391,142,227,800.60 and 185,009,459,907.60

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Solution

The fourth proportional to 260,761,485,200.40, 391,142,227,800.60 and 185,009,459,907.60 is: 277,514,189,861.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,761,485,200.40 : 391,142,227,800.60 = 185,009,459,907.60 : x
  2. Step 2: Convert to fraction form
    260,761,485,200.40/391,142,227,800.60 = 185,009,459,907.60/x
  3. Step 3: Cross multiply
    260,761,485,200.40x = 391,142,227,800.60 × 185,009,459,907.60
  4. Step 4: Simplify right side
    260,761,485,200.40x = 72,365,012,312,444,452,732,928
  5. Step 5: Solve for x
    x = 72,365,012,312,444,452,732,928/260,761,485,200.40
  6. Step 6: Final answer
    x = 277,514,189,861.40

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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.