Home / 1,962,402,679.44-2,943,254,513.64-781,884,221.16

Finding the Fourth Proportional to 1,962,402,679.44, 2,943,254,513.64 and 781,884,221.16

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Solution

The fourth proportional to 1,962,402,679.44, 2,943,254,513.64 and 781,884,221.16 is: 1,172,687,077.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,962,402,679.44 : 2,943,254,513.64 = 781,884,221.16 : x
  2. Step 2: Convert to fraction form
    1,962,402,679.44/2,943,254,513.64 = 781,884,221.16/x
  3. Step 3: Cross multiply
    1,962,402,679.44x = 2,943,254,513.64 × 781,884,221.16
  4. Step 4: Simplify right side
    1,962,402,679.44x = 2,301,284,263,073,065,728
  5. Step 5: Solve for x
    x = 2,301,284,263,073,065,728/1,962,402,679.44
  6. Step 6: Final answer
    x = 1,172,687,077.52

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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.