Home / 291,384,028.80-437,076,043.20-146,265,206.40

Finding the Fourth Proportional to 291,384,028.80, 437,076,043.20 and 146,265,206.40

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Solution

The fourth proportional to 291,384,028.80, 437,076,043.20 and 146,265,206.40 is: 219,397,809.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,384,028.80 : 437,076,043.20 = 146,265,206.40 : x
  2. Step 2: Convert to fraction form
    291,384,028.80/437,076,043.20 = 146,265,206.40/x
  3. Step 3: Cross multiply
    291,384,028.80x = 437,076,043.20 × 146,265,206.40
  4. Step 4: Simplify right side
    291,384,028.80x = 63,929,017,671,143,320
  5. Step 5: Solve for x
    x = 63,929,017,671,143,320/291,384,028.80
  6. Step 6: Final answer
    x = 219,397,809.60

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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.