Home / 256,032,028.80-384,216,004.80-146,856,988.80

Finding the Fourth Proportional to 256,032,028.80, 384,216,004.80 and 146,856,988.80

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Solution

The fourth proportional to 256,032,028.80, 384,216,004.80 and 146,856,988.80 is: 220,381,824.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,032,028.80 : 384,216,004.80 = 146,856,988.80 : x
  2. Step 2: Convert to fraction form
    256,032,028.80/384,216,004.80 = 146,856,988.80/x
  3. Step 3: Cross multiply
    256,032,028.80x = 384,216,004.80 × 146,856,988.80
  4. Step 4: Simplify right side
    256,032,028.80x = 56,424,805,513,694,352
  5. Step 5: Solve for x
    x = 56,424,805,513,694,352/256,032,028.80
  6. Step 6: Final answer
    x = 220,381,824.02

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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.