Home / 1,499,857,978.80-2,249,786,968.20-409,451,271.60

Finding the Fourth Proportional to 1,499,857,978.80, 2,249,786,968.20 and 409,451,271.60

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Solution

The fourth proportional to 1,499,857,978.80, 2,249,786,968.20 and 409,451,271.60 is: 614,176,907.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,499,857,978.80 : 2,249,786,968.20 = 409,451,271.60 : x
  2. Step 2: Convert to fraction form
    1,499,857,978.80/2,249,786,968.20 = 409,451,271.60/x
  3. Step 3: Cross multiply
    1,499,857,978.80x = 2,249,786,968.20 × 409,451,271.60
  4. Step 4: Simplify right side
    1,499,857,978.80x = 921,178,134,958,598,784
  5. Step 5: Solve for x
    x = 921,178,134,958,598,784/1,499,857,978.80
  6. Step 6: Final answer
    x = 614,176,907.40

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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.