Home / 1,385,219,870.37-2,077,843,257.57-1,108,182,850.94

Finding the Fourth Proportional to 1,385,219,870.37, 2,077,843,257.57 and 1,108,182,850.94

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Solution

The fourth proportional to 1,385,219,870.37, 2,077,843,257.57 and 1,108,182,850.94 is: 1,662,285,038.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,219,870.37 : 2,077,843,257.57 = 1,108,182,850.94 : x
  2. Step 2: Convert to fraction form
    1,385,219,870.37/2,077,843,257.57 = 1,108,182,850.94/x
  3. Step 3: Cross multiply
    1,385,219,870.37x = 2,077,843,257.57 × 1,108,182,850.94
  4. Step 4: Simplify right side
    1,385,219,870.37x = 2,302,630,264,969,989,888
  5. Step 5: Solve for x
    x = 2,302,630,264,969,989,888/1,385,219,870.37
  6. Step 6: Final answer
    x = 1,662,285,038.08

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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.