Home / 780,766,439.68-1,077,457,606.67-441,667,670.72

Finding the Fourth Proportional to 780,766,439.68, 1,077,457,606.67 and 441,667,670.72

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Solution

The fourth proportional to 780,766,439.68, 1,077,457,606.67 and 441,667,670.72 is: 609,501,340.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,766,439.68 : 1,077,457,606.67 = 441,667,670.72 : x
  2. Step 2: Convert to fraction form
    780,766,439.68/1,077,457,606.67 = 441,667,670.72/x
  3. Step 3: Cross multiply
    780,766,439.68x = 1,077,457,606.67 × 441,667,670.72
  4. Step 4: Simplify right side
    780,766,439.68x = 475,878,191,437,484,928
  5. Step 5: Solve for x
    x = 475,878,191,437,484,928/780,766,439.68
  6. Step 6: Final answer
    x = 609,501,340.29

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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.