Home / 739,721,025-1,020,778,739.46-405,195,031.67

Finding the Fourth Proportional to 739,721,025, 1,020,778,739.46 and 405,195,031.67

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Solution

The fourth proportional to 739,721,025, 1,020,778,739.46 and 405,195,031.67 is: 559,149,273.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,721,025 : 1,020,778,739.46 = 405,195,031.67 : x
  2. Step 2: Convert to fraction form
    739,721,025/1,020,778,739.46 = 405,195,031.67/x
  3. Step 3: Cross multiply
    739,721,025x = 1,020,778,739.46 × 405,195,031.67
  4. Step 4: Simplify right side
    739,721,025x = 413,614,473,658,453,504
  5. Step 5: Solve for x
    x = 413,614,473,658,453,504/739,721,025
  6. Step 6: Final answer
    x = 559,149,273.41

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1.5x scale

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.