Home / 807,158,667.42-1,210,738,017.15-193,742,893.26

Finding the Fourth Proportional to 807,158,667.42, 1,210,738,017.15 and 193,742,893.26

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Solution

The fourth proportional to 807,158,667.42, 1,210,738,017.15 and 193,742,893.26 is: 290,614,343.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,158,667.42 : 1,210,738,017.15 = 193,742,893.26 : x
  2. Step 2: Convert to fraction form
    807,158,667.42/1,210,738,017.15 = 193,742,893.26/x
  3. Step 3: Cross multiply
    807,158,667.42x = 1,210,738,017.15 × 193,742,893.26
  4. Step 4: Simplify right side
    807,158,667.42x = 234,571,886,422,516,512
  5. Step 5: Solve for x
    x = 234,571,886,422,516,512/807,158,667.42
  6. Step 6: Final answer
    x = 290,614,343.74

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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.