Home / 1,457,448,286.20-2,186,676,314.10-1,407,059,806.20

Finding the Fourth Proportional to 1,457,448,286.20, 2,186,676,314.10 and 1,407,059,806.20

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Solution

The fourth proportional to 1,457,448,286.20, 2,186,676,314.10 and 1,407,059,806.20 is: 2,111,076,173.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,448,286.20 : 2,186,676,314.10 = 1,407,059,806.20 : x
  2. Step 2: Convert to fraction form
    1,457,448,286.20/2,186,676,314.10 = 1,407,059,806.20/x
  3. Step 3: Cross multiply
    1,457,448,286.20x = 2,186,676,314.10 × 1,407,059,806.20
  4. Step 4: Simplify right side
    1,457,448,286.20x = 3,076,784,350,739,676,160
  5. Step 5: Solve for x
    x = 3,076,784,350,739,676,160/1,457,448,286.20
  6. Step 6: Final answer
    x = 2,111,076,173.25

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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.