Home / 1,374,578,378.96-1,896,980,627.64-810,087,085.04

Finding the Fourth Proportional to 1,374,578,378.96, 1,896,980,627.64 and 810,087,085.04

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Solution

The fourth proportional to 1,374,578,378.96, 1,896,980,627.64 and 810,087,085.04 is: 1,117,956,989.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374,578,378.96 : 1,896,980,627.64 = 810,087,085.04 : x
  2. Step 2: Convert to fraction form
    1,374,578,378.96/1,896,980,627.64 = 810,087,085.04/x
  3. Step 3: Cross multiply
    1,374,578,378.96x = 1,896,980,627.64 × 810,087,085.04
  4. Step 4: Simplify right side
    1,374,578,378.96x = 1,536,719,507,022,237,184
  5. Step 5: Solve for x
    x = 1,536,719,507,022,237,184/1,374,578,378.96
  6. Step 6: Final answer
    x = 1,117,956,989.97

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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.