Home / 415,358,300.09-573,370,945.68-258,802,756.64

Finding the Fourth Proportional to 415,358,300.09, 573,370,945.68 and 258,802,756.64

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Solution

The fourth proportional to 415,358,300.09, 573,370,945.68 and 258,802,756.64 is: 357,257,773.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,358,300.09 : 573,370,945.68 = 258,802,756.64 : x
  2. Step 2: Convert to fraction form
    415,358,300.09/573,370,945.68 = 258,802,756.64/x
  3. Step 3: Cross multiply
    415,358,300.09x = 573,370,945.68 × 258,802,756.64
  4. Step 4: Simplify right side
    415,358,300.09x = 148,389,981,317,973,664
  5. Step 5: Solve for x
    x = 148,389,981,317,973,664/415,358,300.09
  6. Step 6: Final answer
    x = 357,257,773.08

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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.