Home / 847,128,516.25-1,168,674,722.19-529,036,527.16

Finding the Fourth Proportional to 847,128,516.25, 1,168,674,722.19 and 529,036,527.16

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Solution

The fourth proportional to 847,128,516.25, 1,168,674,722.19 and 529,036,527.16 is: 729,843,942.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,128,516.25 : 1,168,674,722.19 = 529,036,527.16 : x
  2. Step 2: Convert to fraction form
    847,128,516.25/1,168,674,722.19 = 529,036,527.16/x
  3. Step 3: Cross multiply
    847,128,516.25x = 1,168,674,722.19 × 529,036,527.16
  4. Step 4: Simplify right side
    847,128,516.25x = 618,271,616,407,075,456
  5. Step 5: Solve for x
    x = 618,271,616,407,075,456/847,128,516.25
  6. Step 6: Final answer
    x = 729,843,942.86

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Double scale
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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.