Home / 3,119,547,263.78-4,305,437,269.74-1,975,219,729.97

Finding the Fourth Proportional to 3,119,547,263.78, 4,305,437,269.74 and 1,975,219,729.97

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Solution

The fourth proportional to 3,119,547,263.78, 4,305,437,269.74 and 1,975,219,729.97 is: 2,726,095,783.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,547,263.78 : 4,305,437,269.74 = 1,975,219,729.97 : x
  2. Step 2: Convert to fraction form
    3,119,547,263.78/4,305,437,269.74 = 1,975,219,729.97/x
  3. Step 3: Cross multiply
    3,119,547,263.78x = 4,305,437,269.74 × 1,975,219,729.97
  4. Step 4: Simplify right side
    3,119,547,263.78x = 8,504,184,641,317,089,280
  5. Step 5: Solve for x
    x = 8,504,184,641,317,089,280/3,119,547,263.78
  6. Step 6: Final answer
    x = 2,726,095,783.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.