Home / 347,680,512,054.30-521,520,768,081.45-291,891,961,638.30

Finding the Fourth Proportional to 347,680,512,054.30, 521,520,768,081.45 and 291,891,961,638.30

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Solution

The fourth proportional to 347,680,512,054.30, 521,520,768,081.45 and 291,891,961,638.30 is: 437,837,942,457.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,680,512,054.30 : 521,520,768,081.45 = 291,891,961,638.30 : x
  2. Step 2: Convert to fraction form
    347,680,512,054.30/521,520,768,081.45 = 291,891,961,638.30/x
  3. Step 3: Cross multiply
    347,680,512,054.30x = 521,520,768,081.45 × 291,891,961,638.30
  4. Step 4: Simplify right side
    347,680,512,054.30x = 152,227,720,030,407,345,831,936
  5. Step 5: Solve for x
    x = 152,227,720,030,407,345,831,936/347,680,512,054.30
  6. Step 6: Final answer
    x = 437,837,942,457.45

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Double scale
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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.