Home / 13,051,931,015.36-19,563,957,741.32-7,443,792,415.56

Finding the Fourth Proportional to 13,051,931,015.36, 19,563,957,741.32 and 7,443,792,415.56

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Solution

The fourth proportional to 13,051,931,015.36, 19,563,957,741.32 and 7,443,792,415.56 is: 11,157,739,041.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,051,931,015.36 : 19,563,957,741.32 = 7,443,792,415.56 : x
  2. Step 2: Convert to fraction form
    13,051,931,015.36/19,563,957,741.32 = 7,443,792,415.56/x
  3. Step 3: Cross multiply
    13,051,931,015.36x = 19,563,957,741.32 × 7,443,792,415.56
  4. Step 4: Simplify right side
    13,051,931,015.36x = 145,630,040,253,174,169,600
  5. Step 5: Solve for x
    x = 145,630,040,253,174,169,600/13,051,931,015.36
  6. Step 6: Final answer
    x = 11,157,739,041.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.