Home / 1,374,578,378.34-1,896,980,626.78-810,087,084.42

Finding the Fourth Proportional to 1,374,578,378.34, 1,896,980,626.78 and 810,087,084.42

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Solution

The fourth proportional to 1,374,578,378.34, 1,896,980,626.78 and 810,087,084.42 is: 1,117,956,989.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374,578,378.34 : 1,896,980,626.78 = 810,087,084.42 : x
  2. Step 2: Convert to fraction form
    1,374,578,378.34/1,896,980,626.78 = 810,087,084.42/x
  3. Step 3: Cross multiply
    1,374,578,378.34x = 1,896,980,626.78 × 810,087,084.42
  4. Step 4: Simplify right side
    1,374,578,378.34x = 1,536,719,505,140,295,424
  5. Step 5: Solve for x
    x = 1,536,719,505,140,295,424/1,374,578,378.34
  6. Step 6: Final answer
    x = 1,117,956,989.11

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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.