Home / 2,825,266,894.34-3,898,837,372.11-1,555,080,721.39

Finding the Fourth Proportional to 2,825,266,894.34, 3,898,837,372.11 and 1,555,080,721.39

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Solution

The fourth proportional to 2,825,266,894.34, 3,898,837,372.11 and 1,555,080,721.39 is: 2,145,994,364.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,825,266,894.34 : 3,898,837,372.11 = 1,555,080,721.39 : x
  2. Step 2: Convert to fraction form
    2,825,266,894.34/3,898,837,372.11 = 1,555,080,721.39/x
  3. Step 3: Cross multiply
    2,825,266,894.34x = 3,898,837,372.11 × 1,555,080,721.39
  4. Step 4: Simplify right side
    2,825,266,894.34x = 6,063,006,833,183,617,024
  5. Step 5: Solve for x
    x = 6,063,006,833,183,617,024/2,825,266,894.34
  6. Step 6: Final answer
    x = 2,145,994,364.40

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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.