Home / 585,644,109.79-808,190,438.00-317,719,941.54

Finding the Fourth Proportional to 585,644,109.79, 808,190,438.00 and 317,719,941.54

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Solution

The fourth proportional to 585,644,109.79, 808,190,438.00 and 317,719,941.54 is: 438,454,369.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,644,109.79 : 808,190,438.00 = 317,719,941.54 : x
  2. Step 2: Convert to fraction form
    585,644,109.79/808,190,438.00 = 317,719,941.54/x
  3. Step 3: Cross multiply
    585,644,109.79x = 808,190,438.00 × 317,719,941.54
  4. Step 4: Simplify right side
    585,644,109.79x = 256,778,218,715,341,344
  5. Step 5: Solve for x
    x = 256,778,218,715,341,344/585,644,109.79
  6. Step 6: Final answer
    x = 438,454,369.17

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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.