Home / 1,358,047,891.80-2,037,071,837.70-1,277,694,012.60

Finding the Fourth Proportional to 1,358,047,891.80, 2,037,071,837.70 and 1,277,694,012.60

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Solution

The fourth proportional to 1,358,047,891.80, 2,037,071,837.70 and 1,277,694,012.60 is: 1,916,541,018.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358,047,891.80 : 2,037,071,837.70 = 1,277,694,012.60 : x
  2. Step 2: Convert to fraction form
    1,358,047,891.80/2,037,071,837.70 = 1,277,694,012.60/x
  3. Step 3: Cross multiply
    1,358,047,891.80x = 2,037,071,837.70 × 1,277,694,012.60
  4. Step 4: Simplify right side
    1,358,047,891.80x = 2,602,754,490,265,368,576
  5. Step 5: Solve for x
    x = 2,602,754,490,265,368,576/1,358,047,891.80
  6. Step 6: Final answer
    x = 1,916,541,018.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.