Home / 711,809,881.57-982,307,777.13-410,389,230.28

Finding the Fourth Proportional to 711,809,881.57, 982,307,777.13 and 410,389,230.28

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Solution

The fourth proportional to 711,809,881.57, 982,307,777.13 and 410,389,230.28 is: 566,342,984.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,809,881.57 : 982,307,777.13 = 410,389,230.28 : x
  2. Step 2: Convert to fraction form
    711,809,881.57/982,307,777.13 = 410,389,230.28/x
  3. Step 3: Cross multiply
    711,809,881.57x = 982,307,777.13 × 410,389,230.28
  4. Step 4: Simplify right side
    711,809,881.57x = 403,128,532,557,712,640
  5. Step 5: Solve for x
    x = 403,128,532,557,712,640/711,809,881.57
  6. Step 6: Final answer
    x = 566,342,984.27

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1.5x scale

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.