Home / 1,174,405,912.40-1,761,552,881.40-397,975,422.80

Finding the Fourth Proportional to 1,174,405,912.40, 1,761,552,881.40 and 397,975,422.80

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Solution

The fourth proportional to 1,174,405,912.40, 1,761,552,881.40 and 397,975,422.80 is: 596,944,161.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,405,912.40 : 1,761,552,881.40 = 397,975,422.80 : x
  2. Step 2: Convert to fraction form
    1,174,405,912.40/1,761,552,881.40 = 397,975,422.80/x
  3. Step 3: Cross multiply
    1,174,405,912.40x = 1,761,552,881.40 × 397,975,422.80
  4. Step 4: Simplify right side
    1,174,405,912.40x = 701,054,752,759,723,264
  5. Step 5: Solve for x
    x = 701,054,752,759,723,264/1,174,405,912.40
  6. Step 6: Final answer
    x = 596,944,161.60

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.