Home / 358,138,869.60-537,606,435.60-221,977,999.20

Finding the Fourth Proportional to 358,138,869.60, 537,606,435.60 and 221,977,999.20

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Solution

The fourth proportional to 358,138,869.60, 537,606,435.60 and 221,977,999.20 is: 333,213,764.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,138,869.60 : 537,606,435.60 = 221,977,999.20 : x
  2. Step 2: Convert to fraction form
    358,138,869.60/537,606,435.60 = 221,977,999.20/x
  3. Step 3: Cross multiply
    358,138,869.60x = 537,606,435.60 × 221,977,999.20
  4. Step 4: Simplify right side
    358,138,869.60x = 119,336,800,931,531,648
  5. Step 5: Solve for x
    x = 119,336,800,931,531,648/358,138,869.60
  6. Step 6: Final answer
    x = 333,213,764.44

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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.