Home / 3,879,724,101.60-5,819,586,152.40-1,915,518,165.60

Finding the Fourth Proportional to 3,879,724,101.60, 5,819,586,152.40 and 1,915,518,165.60

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Solution

The fourth proportional to 3,879,724,101.60, 5,819,586,152.40 and 1,915,518,165.60 is: 2,873,277,248.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,879,724,101.60 : 5,819,586,152.40 = 1,915,518,165.60 : x
  2. Step 2: Convert to fraction form
    3,879,724,101.60/5,819,586,152.40 = 1,915,518,165.60/x
  3. Step 3: Cross multiply
    3,879,724,101.60x = 5,819,586,152.40 × 1,915,518,165.60
  4. Step 4: Simplify right side
    3,879,724,101.60x = 11,147,522,991,196,407,808
  5. Step 5: Solve for x
    x = 11,147,522,991,196,407,808/3,879,724,101.60
  6. Step 6: Final answer
    x = 2,873,277,248.40

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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.