Home / 415,358,477.45-573,371,191.31-258,802,935.38

Finding the Fourth Proportional to 415,358,477.45, 573,371,191.31 and 258,802,935.38

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Solution

The fourth proportional to 415,358,477.45, 573,371,191.31 and 258,802,935.38 is: 357,258,020.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,358,477.45 : 573,371,191.31 = 258,802,935.38 : x
  2. Step 2: Convert to fraction form
    415,358,477.45/573,371,191.31 = 258,802,935.38/x
  3. Step 3: Cross multiply
    415,358,477.45x = 573,371,191.31 × 258,802,935.38
  4. Step 4: Simplify right side
    415,358,477.45x = 148,390,147,369,194,656
  5. Step 5: Solve for x
    x = 148,390,147,369,194,656/415,358,477.45
  6. Step 6: Final answer
    x = 357,258,020.31

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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.