Home / 507,289,583,741.27-700,062,393,122.67-298,725,605,806.55

Finding the Fourth Proportional to 507,289,583,741.27, 700,062,393,122.67 and 298,725,605,806.55

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Solution

The fourth proportional to 507,289,583,741.27, 700,062,393,122.67 and 298,725,605,806.55 is: 412,242,965,734.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,289,583,741.27 : 700,062,393,122.67 = 298,725,605,806.55 : x
  2. Step 2: Convert to fraction form
    507,289,583,741.27/700,062,393,122.67 = 298,725,605,806.55/x
  3. Step 3: Cross multiply
    507,289,583,741.27x = 700,062,393,122.67 × 298,725,605,806.55
  4. Step 4: Simplify right side
    507,289,583,741.27x = 209,126,562,487,952,750,936,064
  5. Step 5: Solve for x
    x = 209,126,562,487,952,750,936,064/507,289,583,741.27
  6. Step 6: Final answer
    x = 412,242,965,734.96

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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.