Home / 1,017,693,547.23-1,526,628,255.77-280,763,451.74

Finding the Fourth Proportional to 1,017,693,547.23, 1,526,628,255.77 and 280,763,451.74

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Solution

The fourth proportional to 1,017,693,547.23, 1,526,628,255.77 and 280,763,451.74 is: 421,169,437.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,693,547.23 : 1,526,628,255.77 = 280,763,451.74 : x
  2. Step 2: Convert to fraction form
    1,017,693,547.23/1,526,628,255.77 = 280,763,451.74/x
  3. Step 3: Cross multiply
    1,017,693,547.23x = 1,526,628,255.77 × 280,763,451.74
  4. Step 4: Simplify right side
    1,017,693,547.23x = 428,621,418,616,213,568
  5. Step 5: Solve for x
    x = 428,621,418,616,213,568/1,017,693,547.23
  6. Step 6: Final answer
    x = 421,169,437.29

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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.