Home / 1,579,754,971.07-2,180,069,142.75-874,892,175.65

Finding the Fourth Proportional to 1,579,754,971.07, 2,180,069,142.75 and 874,892,175.65

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Solution

The fourth proportional to 1,579,754,971.07, 2,180,069,142.75 and 874,892,175.65 is: 1,207,355,235.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,579,754,971.07 : 2,180,069,142.75 = 874,892,175.65 : x
  2. Step 2: Convert to fraction form
    1,579,754,971.07/2,180,069,142.75 = 874,892,175.65/x
  3. Step 3: Cross multiply
    1,579,754,971.07x = 2,180,069,142.75 × 874,892,175.65
  4. Step 4: Simplify right side
    1,579,754,971.07x = 1,907,325,435,357,077,504
  5. Step 5: Solve for x
    x = 1,907,325,435,357,077,504/1,579,754,971.07
  6. Step 6: Final answer
    x = 1,207,355,235.65

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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.