Home / 1,621,047,385.08-2,237,047,303.95-878,491,447.83

Finding the Fourth Proportional to 1,621,047,385.08, 2,237,047,303.95 and 878,491,447.83

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Solution

The fourth proportional to 1,621,047,385.08, 2,237,047,303.95 and 878,491,447.83 is: 1,212,319,234.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,047,385.08 : 2,237,047,303.95 = 878,491,447.83 : x
  2. Step 2: Convert to fraction form
    1,621,047,385.08/2,237,047,303.95 = 878,491,447.83/x
  3. Step 3: Cross multiply
    1,621,047,385.08x = 2,237,047,303.95 × 878,491,447.83
  4. Step 4: Simplify right side
    1,621,047,385.08x = 1,965,226,924,911,233,536
  5. Step 5: Solve for x
    x = 1,965,226,924,911,233,536/1,621,047,385.08
  6. Step 6: Final answer
    x = 1,212,319,234.46

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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.