Home / 1,689,165,602.12-2,530,449,827.64-802,589,285.12

Finding the Fourth Proportional to 1,689,165,602.12, 2,530,449,827.64 and 802,589,285.12

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Solution

The fourth proportional to 1,689,165,602.12, 2,530,449,827.64 and 802,589,285.12 is: 1,202,316,644.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,165,602.12 : 2,530,449,827.64 = 802,589,285.12 : x
  2. Step 2: Convert to fraction form
    1,689,165,602.12/2,530,449,827.64 = 802,589,285.12/x
  3. Step 3: Cross multiply
    1,689,165,602.12x = 2,530,449,827.64 × 802,589,285.12
  4. Step 4: Simplify right side
    1,689,165,602.12x = 2,030,911,918,197,614,848
  5. Step 5: Solve for x
    x = 2,030,911,918,197,614,848/1,689,165,602.12
  6. Step 6: Final answer
    x = 1,202,316,644.18

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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.