Home / 873,319,147,739.76-1,205,242,788,168.80-482,677,307,860.65

Finding the Fourth Proportional to 873,319,147,739.76, 1,205,242,788,168.80 and 482,677,307,860.65

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Solution

The fourth proportional to 873,319,147,739.76, 1,205,242,788,168.80 and 482,677,307,860.65 is: 666,129,153,147.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,319,147,739.76 : 1,205,242,788,168.80 = 482,677,307,860.65 : x
  2. Step 2: Convert to fraction form
    873,319,147,739.76/1,205,242,788,168.80 = 482,677,307,860.65/x
  3. Step 3: Cross multiply
    873,319,147,739.76x = 1,205,242,788,168.80 × 482,677,307,860.65
  4. Step 4: Simplify right side
    873,319,147,739.76x = 581,743,344,311,780,079,828,992
  5. Step 5: Solve for x
    x = 581,743,344,311,780,079,828,992/873,319,147,739.76
  6. Step 6: Final answer
    x = 666,129,153,147.96

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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.