Home / 2,438,994,112.87-3,365,842,487.18-1,325,178,807.43

Finding the Fourth Proportional to 2,438,994,112.87, 3,365,842,487.18 and 1,325,178,807.43

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Solution

The fourth proportional to 2,438,994,112.87, 3,365,842,487.18 and 1,325,178,807.43 is: 1,828,763,386.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,438,994,112.87 : 3,365,842,487.18 = 1,325,178,807.43 : x
  2. Step 2: Convert to fraction form
    2,438,994,112.87/3,365,842,487.18 = 1,325,178,807.43/x
  3. Step 3: Cross multiply
    2,438,994,112.87x = 3,365,842,487.18 × 1,325,178,807.43
  4. Step 4: Simplify right side
    2,438,994,112.87x = 4,460,343,133,151,792,128
  5. Step 5: Solve for x
    x = 4,460,343,133,151,792,128/2,438,994,112.87
  6. Step 6: Final answer
    x = 1,828,763,386.35

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1.5x scale

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.