Home / 1,237,671,998.20-1,855,870,268.10-460,917,832.60

Finding the Fourth Proportional to 1,237,671,998.20, 1,855,870,268.10 and 460,917,832.60

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Solution

The fourth proportional to 1,237,671,998.20, 1,855,870,268.10 and 460,917,832.60 is: 691,139,254.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,671,998.20 : 1,855,870,268.10 = 460,917,832.60 : x
  2. Step 2: Convert to fraction form
    1,237,671,998.20/1,855,870,268.10 = 460,917,832.60/x
  3. Step 3: Cross multiply
    1,237,671,998.20x = 1,855,870,268.10 × 460,917,832.60
  4. Step 4: Simplify right side
    1,237,671,998.20x = 855,403,701,559,432,960
  5. Step 5: Solve for x
    x = 855,403,701,559,432,960/1,237,671,998.20
  6. Step 6: Final answer
    x = 691,139,254.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.