Home / 1,400,975,459.95-2,101,993,940.67-841,128,253.44

Finding the Fourth Proportional to 1,400,975,459.95, 2,101,993,940.67 and 841,128,253.44

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Solution

The fourth proportional to 1,400,975,459.95, 2,101,993,940.67 and 841,128,253.44 is: 1,262,011,036.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,400,975,459.95 : 2,101,993,940.67 = 841,128,253.44 : x
  2. Step 2: Convert to fraction form
    1,400,975,459.95/2,101,993,940.67 = 841,128,253.44/x
  3. Step 3: Cross multiply
    1,400,975,459.95x = 2,101,993,940.67 × 841,128,253.44
  4. Step 4: Simplify right side
    1,400,975,459.95x = 1,768,046,492,057,220,352
  5. Step 5: Solve for x
    x = 1,768,046,492,057,220,352/1,400,975,459.95
  6. Step 6: Final answer
    x = 1,262,011,036.31

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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.