Home / 1,200,441,166.62-1,800,628,157.61-382,602,543.90

Finding the Fourth Proportional to 1,200,441,166.62, 1,800,628,157.61 and 382,602,543.90

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Solution

The fourth proportional to 1,200,441,166.62, 1,800,628,157.61 and 382,602,543.90 is: 573,893,109.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,441,166.62 : 1,800,628,157.61 = 382,602,543.90 : x
  2. Step 2: Convert to fraction form
    1,200,441,166.62/1,800,628,157.61 = 382,602,543.90/x
  3. Step 3: Cross multiply
    1,200,441,166.62x = 1,800,628,157.61 × 382,602,543.90
  4. Step 4: Simplify right side
    1,200,441,166.62x = 688,924,913,719,556,096
  5. Step 5: Solve for x
    x = 688,924,913,719,556,096/1,200,441,166.62
  6. Step 6: Final answer
    x = 573,893,109.36

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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.