Home / 1,430,791,405.10-2,146,187,107.65-1,201,208,893.10

Finding the Fourth Proportional to 1,430,791,405.10, 2,146,187,107.65 and 1,201,208,893.10

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Solution

The fourth proportional to 1,430,791,405.10, 2,146,187,107.65 and 1,201,208,893.10 is: 1,801,813,339.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430,791,405.10 : 2,146,187,107.65 = 1,201,208,893.10 : x
  2. Step 2: Convert to fraction form
    1,430,791,405.10/2,146,187,107.65 = 1,201,208,893.10/x
  3. Step 3: Cross multiply
    1,430,791,405.10x = 2,146,187,107.65 × 1,201,208,893.10
  4. Step 4: Simplify right side
    1,430,791,405.10x = 2,578,019,039,965,747,200
  5. Step 5: Solve for x
    x = 2,578,019,039,965,747,200/1,430,791,405.10
  6. Step 6: Final answer
    x = 1,801,813,339.65

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Double scale
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1.5x scale

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.