Home / 1,780,626,087.17-2,457,256,128.65-1,017,657,428.28

Finding the Fourth Proportional to 1,780,626,087.17, 2,457,256,128.65 and 1,017,657,428.28

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Solution

The fourth proportional to 1,780,626,087.17, 2,457,256,128.65 and 1,017,657,428.28 is: 1,404,362,752.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780,626,087.17 : 2,457,256,128.65 = 1,017,657,428.28 : x
  2. Step 2: Convert to fraction form
    1,780,626,087.17/2,457,256,128.65 = 1,017,657,428.28/x
  3. Step 3: Cross multiply
    1,780,626,087.17x = 2,457,256,128.65 × 1,017,657,428.28
  4. Step 4: Simplify right side
    1,780,626,087.17x = 2,500,644,952,507,227,648
  5. Step 5: Solve for x
    x = 2,500,644,952,507,227,648/1,780,626,087.17
  6. Step 6: Final answer
    x = 1,404,362,752.25

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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.