Home / 5,318,783,978.40-7,978,175,967.60-5,033,081,296.80

Finding the Fourth Proportional to 5,318,783,978.40, 7,978,175,967.60 and 5,033,081,296.80

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Solution

The fourth proportional to 5,318,783,978.40, 7,978,175,967.60 and 5,033,081,296.80 is: 7,549,621,945.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318,783,978.40 : 7,978,175,967.60 = 5,033,081,296.80 : x
  2. Step 2: Convert to fraction form
    5,318,783,978.40/7,978,175,967.60 = 5,033,081,296.80/x
  3. Step 3: Cross multiply
    5,318,783,978.40x = 7,978,175,967.60 × 5,033,081,296.80
  4. Step 4: Simplify right side
    5,318,783,978.40x = 40,154,808,245,106,802,688
  5. Step 5: Solve for x
    x = 40,154,808,245,106,802,688/5,318,783,978.40
  6. Step 6: Final answer
    x = 7,549,621,945.20

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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.