Home / 906,988,075.10-1,251,563,748.69-505,071,453.36

Finding the Fourth Proportional to 906,988,075.10, 1,251,563,748.69 and 505,071,453.36

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Solution

The fourth proportional to 906,988,075.10, 1,251,563,748.69 and 505,071,453.36 is: 696,954,170.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,988,075.10 : 1,251,563,748.69 = 505,071,453.36 : x
  2. Step 2: Convert to fraction form
    906,988,075.10/1,251,563,748.69 = 505,071,453.36/x
  3. Step 3: Cross multiply
    906,988,075.10x = 1,251,563,748.69 × 505,071,453.36
  4. Step 4: Simplify right side
    906,988,075.10x = 632,129,121,523,548,160
  5. Step 5: Solve for x
    x = 632,129,121,523,548,160/906,988,075.10
  6. Step 6: Final answer
    x = 696,954,170.49

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Double scale
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1.5x scale

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.