Home / 780,766,438.68-1,077,457,605.29-441,667,669.72

Finding the Fourth Proportional to 780,766,438.68, 1,077,457,605.29 and 441,667,669.72

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Solution

The fourth proportional to 780,766,438.68, 1,077,457,605.29 and 441,667,669.72 is: 609,501,338.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,766,438.68 : 1,077,457,605.29 = 441,667,669.72 : x
  2. Step 2: Convert to fraction form
    780,766,438.68/1,077,457,605.29 = 441,667,669.72/x
  3. Step 3: Cross multiply
    780,766,438.68x = 1,077,457,605.29 × 441,667,669.72
  4. Step 4: Simplify right side
    780,766,438.68x = 475,878,189,750,525,888
  5. Step 5: Solve for x
    x = 475,878,189,750,525,888/780,766,438.68
  6. Step 6: Final answer
    x = 609,501,338.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.