Home / 1,369,366,718,273.80-1,889,900,409,989.40-828,047,314,223.40

Finding the Fourth Proportional to 1,369,366,718,273.80, 1,889,900,409,989.40 and 828,047,314,223.40

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Solution

The fourth proportional to 1,369,366,718,273.80, 1,889,900,409,989.40 and 828,047,314,223.40 is: 1,142,810,715,170.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,366,718,273.80 : 1,889,900,409,989.40 = 828,047,314,223.40 : x
  2. Step 2: Convert to fraction form
    1,369,366,718,273.80/1,889,900,409,989.40 = 828,047,314,223.40/x
  3. Step 3: Cross multiply
    1,369,366,718,273.80x = 1,889,900,409,989.40 × 828,047,314,223.40
  4. Step 4: Simplify right side
    1,369,366,718,273.80x = 1,564,926,958,641,425,112,104,960
  5. Step 5: Solve for x
    x = 1,564,926,958,641,425,112,104,960/1,369,366,718,273.80
  6. Step 6: Final answer
    x = 1,142,810,715,170.69

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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.