Home / 347,680,512,124.80-521,520,768,187.20-345,476,520,009.60

Finding the Fourth Proportional to 347,680,512,124.80, 521,520,768,187.20 and 345,476,520,009.60

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Solution

The fourth proportional to 347,680,512,124.80, 521,520,768,187.20 and 345,476,520,009.60 is: 518,214,780,014.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,680,512,124.80 : 521,520,768,187.20 = 345,476,520,009.60 : x
  2. Step 2: Convert to fraction form
    347,680,512,124.80/521,520,768,187.20 = 345,476,520,009.60/x
  3. Step 3: Cross multiply
    347,680,512,124.80x = 521,520,768,187.20 × 345,476,520,009.60
  4. Step 4: Simplify right side
    347,680,512,124.80x = 180,173,180,106,047,160,844,288
  5. Step 5: Solve for x
    x = 180,173,180,106,047,160,844,288/347,680,512,124.80
  6. Step 6: Final answer
    x = 518,214,780,014.40

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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.