Home / 711,809,905.56-982,307,810.24-410,389,254.24

Finding the Fourth Proportional to 711,809,905.56, 982,307,810.24 and 410,389,254.24

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Solution

The fourth proportional to 711,809,905.56, 982,307,810.24 and 410,389,254.24 is: 566,343,017.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,809,905.56 : 982,307,810.24 = 410,389,254.24 : x
  2. Step 2: Convert to fraction form
    711,809,905.56/982,307,810.24 = 410,389,254.24/x
  3. Step 3: Cross multiply
    711,809,905.56x = 982,307,810.24 × 410,389,254.24
  4. Step 4: Simplify right side
    711,809,905.56x = 403,128,569,678,521,024
  5. Step 5: Solve for x
    x = 403,128,569,678,521,024/711,809,905.56
  6. Step 6: Final answer
    x = 566,343,017.33

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Double scale
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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.