Home / 1,274,922,551.92-1,759,346,672-710,378,264.56

Finding the Fourth Proportional to 1,274,922,551.92, 1,759,346,672 and 710,378,264.56

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Solution

The fourth proportional to 1,274,922,551.92, 1,759,346,672 and 710,378,264.56 is: 980,296,123.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,922,551.92 : 1,759,346,672 = 710,378,264.56 : x
  2. Step 2: Convert to fraction form
    1,274,922,551.92/1,759,346,672 = 710,378,264.56/x
  3. Step 3: Cross multiply
    1,274,922,551.92x = 1,759,346,672 × 710,378,264.56
  4. Step 4: Simplify right side
    1,274,922,551.92x = 1,249,801,635,614,771,456
  5. Step 5: Solve for x
    x = 1,249,801,635,614,771,456/1,274,922,551.92
  6. Step 6: Final answer
    x = 980,296,123.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.