Home / 543,987,004,608.40-815,980,506,912.60-260,860,111,247.20

Finding the Fourth Proportional to 543,987,004,608.40, 815,980,506,912.60 and 260,860,111,247.20

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Solution

The fourth proportional to 543,987,004,608.40, 815,980,506,912.60 and 260,860,111,247.20 is: 391,290,166,870.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,987,004,608.40 : 815,980,506,912.60 = 260,860,111,247.20 : x
  2. Step 2: Convert to fraction form
    543,987,004,608.40/815,980,506,912.60 = 260,860,111,247.20/x
  3. Step 3: Cross multiply
    543,987,004,608.40x = 815,980,506,912.60 × 260,860,111,247.20
  4. Step 4: Simplify right side
    543,987,004,608.40x = 212,856,765,808,767,473,287,168
  5. Step 5: Solve for x
    x = 212,856,765,808,767,473,287,168/543,987,004,608.40
  6. Step 6: Final answer
    x = 391,290,166,870.80

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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.