Home / 25,012,131,210.81-34,517,340,762.62-13,581,181,856.88

Finding the Fourth Proportional to 25,012,131,210.81, 34,517,340,762.62 and 13,581,181,856.88

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Solution

The fourth proportional to 25,012,131,210.81, 34,517,340,762.62 and 13,581,181,856.88 is: 18,742,356,585.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,012,131,210.81 : 34,517,340,762.62 = 13,581,181,856.88 : x
  2. Step 2: Convert to fraction form
    25,012,131,210.81/34,517,340,762.62 = 13,581,181,856.88/x
  3. Step 3: Cross multiply
    25,012,131,210.81x = 34,517,340,762.62 × 13,581,181,856.88
  4. Step 4: Simplify right side
    25,012,131,210.81x = 468,786,282,112,971,243,520
  5. Step 5: Solve for x
    x = 468,786,282,112,971,243,520/25,012,131,210.81
  6. Step 6: Final answer
    x = 18,742,356,585.37

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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.