Home / 291,383,634.80-437,075,452.20-146,264,812.40

Finding the Fourth Proportional to 291,383,634.80, 437,075,452.20 and 146,264,812.40

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Solution

The fourth proportional to 291,383,634.80, 437,075,452.20 and 146,264,812.40 is: 219,397,218.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,383,634.80 : 437,075,452.20 = 146,264,812.40 : x
  2. Step 2: Convert to fraction form
    291,383,634.80/437,075,452.20 = 146,264,812.40/x
  3. Step 3: Cross multiply
    291,383,634.80x = 437,075,452.20 × 146,264,812.40
  4. Step 4: Simplify right side
    291,383,634.80x = 63,928,759,020,678,168
  5. Step 5: Solve for x
    x = 63,928,759,020,678,168/291,383,634.80
  6. Step 6: Final answer
    x = 219,397,218.60

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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.