Home / 28,843,835,041.42-39,804,726,069.64-15,983,689,814.06

Finding the Fourth Proportional to 28,843,835,041.42, 39,804,726,069.64 and 15,983,689,814.06

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Solution

The fourth proportional to 28,843,835,041.42, 39,804,726,069.64 and 15,983,689,814.06 is: 22,057,621,454.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,843,835,041.42 : 39,804,726,069.64 = 15,983,689,814.06 : x
  2. Step 2: Convert to fraction form
    28,843,835,041.42/39,804,726,069.64 = 15,983,689,814.06/x
  3. Step 3: Cross multiply
    28,843,835,041.42x = 39,804,726,069.64 × 15,983,689,814.06
  4. Step 4: Simplify right side
    28,843,835,041.42x = 636,226,394,630,753,353,728
  5. Step 5: Solve for x
    x = 636,226,394,630,753,353,728/28,843,835,041.42
  6. Step 6: Final answer
    x = 22,057,621,454.19

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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.