Home / 646,637,269.52-892,359,790.44-349,279,510.52

Finding the Fourth Proportional to 646,637,269.52, 892,359,790.44 and 349,279,510.52

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Solution

The fourth proportional to 646,637,269.52, 892,359,790.44 and 349,279,510.52 is: 482,005,918.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,637,269.52 : 892,359,790.44 = 349,279,510.52 : x
  2. Step 2: Convert to fraction form
    646,637,269.52/892,359,790.44 = 349,279,510.52/x
  3. Step 3: Cross multiply
    646,637,269.52x = 892,359,790.44 × 349,279,510.52
  4. Step 4: Simplify right side
    646,637,269.52x = 311,682,990,812,612,992
  5. Step 5: Solve for x
    x = 311,682,990,812,612,992/646,637,269.52
  6. Step 6: Final answer
    x = 482,005,918.16

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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.