Home / 430,729,619.70-646,094,429.55-384,148,269.30

Finding the Fourth Proportional to 430,729,619.70, 646,094,429.55 and 384,148,269.30

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Solution

The fourth proportional to 430,729,619.70, 646,094,429.55 and 384,148,269.30 is: 576,222,403.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,729,619.70 : 646,094,429.55 = 384,148,269.30 : x
  2. Step 2: Convert to fraction form
    430,729,619.70/646,094,429.55 = 384,148,269.30/x
  3. Step 3: Cross multiply
    430,729,619.70x = 646,094,429.55 × 384,148,269.30
  4. Step 4: Simplify right side
    430,729,619.70x = 248,196,056,916,003,264
  5. Step 5: Solve for x
    x = 248,196,056,916,003,264/430,729,619.70
  6. Step 6: Final answer
    x = 576,222,403.95

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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.