Home / 1,400,975,459.76-2,101,993,940.37-841,128,253.24

Finding the Fourth Proportional to 1,400,975,459.76, 2,101,993,940.37 and 841,128,253.24

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Solution

The fourth proportional to 1,400,975,459.76, 2,101,993,940.37 and 841,128,253.24 is: 1,262,011,036.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,400,975,459.76 : 2,101,993,940.37 = 841,128,253.24 : x
  2. Step 2: Convert to fraction form
    1,400,975,459.76/2,101,993,940.37 = 841,128,253.24/x
  3. Step 3: Cross multiply
    1,400,975,459.76x = 2,101,993,940.37 × 841,128,253.24
  4. Step 4: Simplify right side
    1,400,975,459.76x = 1,768,046,491,384,482,816
  5. Step 5: Solve for x
    x = 1,768,046,491,384,482,816/1,400,975,459.76
  6. Step 6: Final answer
    x = 1,262,011,036.01

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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.