Home / 19,121,980,927.20-28,682,971,390.80-6,698,697,246.60

Finding the Fourth Proportional to 19,121,980,927.20, 28,682,971,390.80 and 6,698,697,246.60

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Solution

The fourth proportional to 19,121,980,927.20, 28,682,971,390.80 and 6,698,697,246.60 is: 10,048,045,869.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,121,980,927.20 : 28,682,971,390.80 = 6,698,697,246.60 : x
  2. Step 2: Convert to fraction form
    19,121,980,927.20/28,682,971,390.80 = 6,698,697,246.60/x
  3. Step 3: Cross multiply
    19,121,980,927.20x = 28,682,971,390.80 × 6,698,697,246.60
  4. Step 4: Simplify right side
    19,121,980,927.20x = 192,138,541,479,858,536,448
  5. Step 5: Solve for x
    x = 192,138,541,479,858,536,448/19,121,980,927.20
  6. Step 6: Final answer
    x = 10,048,045,869.90

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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.