Home / 914,255,759.58-1,261,666,013.73-496,571,034.21

Finding the Fourth Proportional to 914,255,759.58, 1,261,666,013.73 and 496,571,034.21

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Solution

The fourth proportional to 914,255,759.58, 1,261,666,013.73 and 496,571,034.21 is: 685,264,260.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,255,759.58 : 1,261,666,013.73 = 496,571,034.21 : x
  2. Step 2: Convert to fraction form
    914,255,759.58/1,261,666,013.73 = 496,571,034.21/x
  3. Step 3: Cross multiply
    914,255,759.58x = 1,261,666,013.73 × 496,571,034.21
  4. Step 4: Simplify right side
    914,255,759.58x = 626,506,797,265,514,112
  5. Step 5: Solve for x
    x = 626,506,797,265,514,112/914,255,759.58
  6. Step 6: Final answer
    x = 685,264,260.79

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Double scale
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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.