Home / 1,091,868,118.16-1,638,449,354.20-402,259,254.08

Finding the Fourth Proportional to 1,091,868,118.16, 1,638,449,354.20 and 402,259,254.08

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Solution

The fourth proportional to 1,091,868,118.16, 1,638,449,354.20 and 402,259,254.08 is: 603,627,310.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,868,118.16 : 1,638,449,354.20 = 402,259,254.08 : x
  2. Step 2: Convert to fraction form
    1,091,868,118.16/1,638,449,354.20 = 402,259,254.08/x
  3. Step 3: Cross multiply
    1,091,868,118.16x = 1,638,449,354.20 × 402,259,254.08
  4. Step 4: Simplify right side
    1,091,868,118.16x = 659,081,415,068,349,696
  5. Step 5: Solve for x
    x = 659,081,415,068,349,696/1,091,868,118.16
  6. Step 6: Final answer
    x = 603,627,310.03

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Double scale
Find fourth proportional to 1,091,868,119.16, 1,638,449,355.70 and 402,259,255.08
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1.5x scale

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.