Home / 1,374,578,373.85-1,896,980,620.57-810,087,079.93

Finding the Fourth Proportional to 1,374,578,373.85, 1,896,980,620.57 and 810,087,079.93

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Solution

The fourth proportional to 1,374,578,373.85, 1,896,980,620.57 and 810,087,079.93 is: 1,117,956,982.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374,578,373.85 : 1,896,980,620.57 = 810,087,079.93 : x
  2. Step 2: Convert to fraction form
    1,374,578,373.85/1,896,980,620.57 = 810,087,079.93/x
  3. Step 3: Cross multiply
    1,374,578,373.85x = 1,896,980,620.57 × 810,087,079.93
  4. Step 4: Simplify right side
    1,374,578,373.85x = 1,536,719,491,594,583,040
  5. Step 5: Solve for x
    x = 1,536,719,491,594,583,040/1,374,578,373.85
  6. Step 6: Final answer
    x = 1,117,956,982.91

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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.