Home / 347,680,512,140.40-521,520,768,210.72-347,680,512,140.40

Finding the Fourth Proportional to 347,680,512,140.40, 521,520,768,210.72 and 347,680,512,140.40

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Solution

The fourth proportional to 347,680,512,140.40, 521,520,768,210.72 and 347,680,512,140.40 is: 521,520,768,210.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,680,512,140.40 : 521,520,768,210.72 = 347,680,512,140.40 : x
  2. Step 2: Convert to fraction form
    347,680,512,140.40/521,520,768,210.72 = 347,680,512,140.40/x
  3. Step 3: Cross multiply
    347,680,512,140.40x = 521,520,768,210.72 × 347,680,512,140.40
  4. Step 4: Simplify right side
    347,680,512,140.40x = 181,322,607,783,357,985,062,912
  5. Step 5: Solve for x
    x = 181,322,607,783,357,985,062,912/347,680,512,140.40
  6. Step 6: Final answer
    x = 521,520,768,210.72

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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.