Home / 7,926,585,438.80-11,889,878,158.20-5,314,446,635.60

Finding the Fourth Proportional to 7,926,585,438.80, 11,889,878,158.20 and 5,314,446,635.60

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Solution

The fourth proportional to 7,926,585,438.80, 11,889,878,158.20 and 5,314,446,635.60 is: 7,971,669,953.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,926,585,438.80 : 11,889,878,158.20 = 5,314,446,635.60 : x
  2. Step 2: Convert to fraction form
    7,926,585,438.80/11,889,878,158.20 = 5,314,446,635.60/x
  3. Step 3: Cross multiply
    7,926,585,438.80x = 11,889,878,158.20 × 5,314,446,635.60
  4. Step 4: Simplify right side
    7,926,585,438.80x = 63,188,122,975,539,920,896
  5. Step 5: Solve for x
    x = 63,188,122,975,539,920,896/7,926,585,438.80
  6. Step 6: Final answer
    x = 7,971,669,953.40

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Double scale
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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.