Home / 13,051,930,989.83-19,563,957,703.08-7,443,792,390.02

Finding the Fourth Proportional to 13,051,930,989.83, 19,563,957,703.08 and 7,443,792,390.02

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Solution

The fourth proportional to 13,051,930,989.83, 19,563,957,703.08 and 7,443,792,390.02 is: 11,157,739,002.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,051,930,989.83 : 19,563,957,703.08 = 7,443,792,390.02 : x
  2. Step 2: Convert to fraction form
    13,051,930,989.83/19,563,957,703.08 = 7,443,792,390.02/x
  3. Step 3: Cross multiply
    13,051,930,989.83x = 19,563,957,703.08 × 7,443,792,390.02
  4. Step 4: Simplify right side
    13,051,930,989.83x = 145,630,039,468,762,267,648
  5. Step 5: Solve for x
    x = 145,630,039,468,762,267,648/13,051,930,989.83
  6. Step 6: Final answer
    x = 11,157,739,002.93

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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.