Home / 2,690,428,506.40-4,035,642,759.60-751,731,738.40

Finding the Fourth Proportional to 2,690,428,506.40, 4,035,642,759.60 and 751,731,738.40

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Solution

The fourth proportional to 2,690,428,506.40, 4,035,642,759.60 and 751,731,738.40 is: 1,127,597,607.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,690,428,506.40 : 4,035,642,759.60 = 751,731,738.40 : x
  2. Step 2: Convert to fraction form
    2,690,428,506.40/4,035,642,759.60 = 751,731,738.40/x
  3. Step 3: Cross multiply
    2,690,428,506.40x = 4,035,642,759.60 × 751,731,738.40
  4. Step 4: Simplify right side
    2,690,428,506.40x = 3,033,720,747,235,481,088
  5. Step 5: Solve for x
    x = 3,033,720,747,235,481,088/2,690,428,506.40
  6. Step 6: Final answer
    x = 1,127,597,607.60

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Double scale
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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.