Home / 256,260,688.92-384,456,555.72-74,507,866.92

Finding the Fourth Proportional to 256,260,688.92, 384,456,555.72 and 74,507,866.92

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Solution

The fourth proportional to 256,260,688.92, 384,456,555.72 and 74,507,866.92 is: 111,780,851.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,260,688.92 : 384,456,555.72 = 74,507,866.92 : x
  2. Step 2: Convert to fraction form
    256,260,688.92/384,456,555.72 = 74,507,866.92/x
  3. Step 3: Cross multiply
    256,260,688.92x = 384,456,555.72 × 74,507,866.92
  4. Step 4: Simplify right side
    256,260,688.92x = 28,645,037,890,107,328
  5. Step 5: Solve for x
    x = 28,645,037,890,107,328/256,260,688.92
  6. Step 6: Final answer
    x = 111,780,851.02

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1.5x scale

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.