Home / 1,394,139,072,778.40-1,923,892,363,913.20-776,867,807,593.32

Finding the Fourth Proportional to 1,394,139,072,778.40, 1,923,892,363,913.20 and 776,867,807,593.32

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Solution

The fourth proportional to 1,394,139,072,778.40, 1,923,892,363,913.20 and 776,867,807,593.32 is: 1,072,066,676,834.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394,139,072,778.40 : 1,923,892,363,913.20 = 776,867,807,593.32 : x
  2. Step 2: Convert to fraction form
    1,394,139,072,778.40/1,923,892,363,913.20 = 776,867,807,593.32/x
  3. Step 3: Cross multiply
    1,394,139,072,778.40x = 1,923,892,363,913.20 × 776,867,807,593.32
  4. Step 4: Simplify right side
    1,394,139,072,778.40x = 1,494,610,042,798,777,235,931,136
  5. Step 5: Solve for x
    x = 1,494,610,042,798,777,235,931,136/1,394,139,072,778.40
  6. Step 6: Final answer
    x = 1,072,066,676,834.58

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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.