Home / 2,930,016,172.80-4,395,024,259.20-991,319,404.80

Finding the Fourth Proportional to 2,930,016,172.80, 4,395,024,259.20 and 991,319,404.80

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Solution

The fourth proportional to 2,930,016,172.80, 4,395,024,259.20 and 991,319,404.80 is: 1,486,979,107.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,930,016,172.80 : 4,395,024,259.20 = 991,319,404.80 : x
  2. Step 2: Convert to fraction form
    2,930,016,172.80/4,395,024,259.20 = 991,319,404.80/x
  3. Step 3: Cross multiply
    2,930,016,172.80x = 4,395,024,259.20 × 991,319,404.80
  4. Step 4: Simplify right side
    2,930,016,172.80x = 4,356,872,832,711,704,576
  5. Step 5: Solve for x
    x = 4,356,872,832,711,704,576/2,930,016,172.80
  6. Step 6: Final answer
    x = 1,486,979,107.20

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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.