Home / 773,097,574.86-1,066,865,685.23-420,667,493.45

Finding the Fourth Proportional to 773,097,574.86, 1,066,865,685.23 and 420,667,493.45

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Solution

The fourth proportional to 773,097,574.86, 1,066,865,685.23 and 420,667,493.45 is: 580,516,261.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,097,574.86 : 1,066,865,685.23 = 420,667,493.45 : x
  2. Step 2: Convert to fraction form
    773,097,574.86/1,066,865,685.23 = 420,667,493.45/x
  3. Step 3: Cross multiply
    773,097,574.86x = 1,066,865,685.23 × 420,667,493.45
  4. Step 4: Simplify right side
    773,097,574.86x = 448,795,713,646,083,136
  5. Step 5: Solve for x
    x = 448,795,713,646,083,136/773,097,574.86
  6. Step 6: Final answer
    x = 580,516,261.13

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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.