Home / 715,170,455,147.30-1,071,872,331,985.80-613,728,274,307.54

Finding the Fourth Proportional to 715,170,455,147.30, 1,071,872,331,985.80 and 613,728,274,307.54

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Solution

The fourth proportional to 715,170,455,147.30, 1,071,872,331,985.80 and 613,728,274,307.54 is: 919,834,358,163.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,170,455,147.30 : 1,071,872,331,985.80 = 613,728,274,307.54 : x
  2. Step 2: Convert to fraction form
    715,170,455,147.30/1,071,872,331,985.80 = 613,728,274,307.54/x
  3. Step 3: Cross multiply
    715,170,455,147.30x = 1,071,872,331,985.80 × 613,728,274,307.54
  4. Step 4: Simplify right side
    715,170,455,147.30x = 657,838,356,587,643,767,095,296
  5. Step 5: Solve for x
    x = 657,838,356,587,643,767,095,296/715,170,455,147.30
  6. Step 6: Final answer
    x = 919,834,358,163.12

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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.