Home / 863,642,848,791.65-1,191,864,595,537-478,267,194,643.08

Finding the Fourth Proportional to 863,642,848,791.65, 1,191,864,595,537 and 478,267,194,643.08

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Solution

The fourth proportional to 863,642,848,791.65, 1,191,864,595,537 and 478,267,194,643.08 is: 660,029,475,493.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,642,848,791.65 : 1,191,864,595,537 = 478,267,194,643.08 : x
  2. Step 2: Convert to fraction form
    863,642,848,791.65/1,191,864,595,537 = 478,267,194,643.08/x
  3. Step 3: Cross multiply
    863,642,848,791.65x = 1,191,864,595,537 × 478,267,194,643.08
  4. Step 4: Simplify right side
    863,642,848,791.65x = 570,029,736,501,890,194,079,744
  5. Step 5: Solve for x
    x = 570,029,736,501,890,194,079,744/863,642,848,791.65
  6. Step 6: Final answer
    x = 660,029,475,493.76

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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.