Home / 1,780,626,064.04-2,457,256,096.77-1,017,657,405.20

Finding the Fourth Proportional to 1,780,626,064.04, 2,457,256,096.77 and 1,017,657,405.20

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Solution

The fourth proportional to 1,780,626,064.04, 2,457,256,096.77 and 1,017,657,405.20 is: 1,404,362,720.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780,626,064.04 : 2,457,256,096.77 = 1,017,657,405.20 : x
  2. Step 2: Convert to fraction form
    1,780,626,064.04/2,457,256,096.77 = 1,017,657,405.20/x
  3. Step 3: Cross multiply
    1,780,626,064.04x = 2,457,256,096.77 × 1,017,657,405.20
  4. Step 4: Simplify right side
    1,780,626,064.04x = 2,500,644,863,338,552,320
  5. Step 5: Solve for x
    x = 2,500,644,863,338,552,320/1,780,626,064.04
  6. Step 6: Final answer
    x = 1,404,362,720.42

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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.