Home / 522,603,847,209.78-721,097,571,202.56-291,111,605,617.26

Finding the Fourth Proportional to 522,603,847,209.78, 721,097,571,202.56 and 291,111,605,617.26

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Solution

The fourth proportional to 522,603,847,209.78, 721,097,571,202.56 and 291,111,605,617.26 is: 401,680,685,820.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,603,847,209.78 : 721,097,571,202.56 = 291,111,605,617.26 : x
  2. Step 2: Convert to fraction form
    522,603,847,209.78/721,097,571,202.56 = 291,111,605,617.26/x
  3. Step 3: Cross multiply
    522,603,847,209.78x = 721,097,571,202.56 × 291,111,605,617.26
  4. Step 4: Simplify right side
    522,603,847,209.78x = 209,919,871,759,483,731,443,712
  5. Step 5: Solve for x
    x = 209,919,871,759,483,731,443,712/522,603,847,209.78
  6. Step 6: Final answer
    x = 401,680,685,820.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.