Home / 533,643,138.72-800,602,707.87-312,501,236.58

Finding the Fourth Proportional to 533,643,138.72, 800,602,707.87 and 312,501,236.58

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Solution

The fourth proportional to 533,643,138.72, 800,602,707.87 and 312,501,236.58 is: 468,832,667.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,643,138.72 : 800,602,707.87 = 312,501,236.58 : x
  2. Step 2: Convert to fraction form
    533,643,138.72/800,602,707.87 = 312,501,236.58/x
  3. Step 3: Cross multiply
    533,643,138.72x = 800,602,707.87 × 312,501,236.58
  4. Step 4: Simplify right side
    533,643,138.72x = 250,189,336,218,671,488
  5. Step 5: Solve for x
    x = 250,189,336,218,671,488/533,643,138.72
  6. Step 6: Final answer
    x = 468,832,667.50

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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.