Home / 1,507,598,533.47-2,080,456,141.82-838,529,186.07

Finding the Fourth Proportional to 1,507,598,533.47, 2,080,456,141.82 and 838,529,186.07

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Solution

The fourth proportional to 1,507,598,533.47, 2,080,456,141.82 and 838,529,186.07 is: 1,157,153,682.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507,598,533.47 : 2,080,456,141.82 = 838,529,186.07 : x
  2. Step 2: Convert to fraction form
    1,507,598,533.47/2,080,456,141.82 = 838,529,186.07/x
  3. Step 3: Cross multiply
    1,507,598,533.47x = 2,080,456,141.82 × 838,529,186.07
  4. Step 4: Simplify right side
    1,507,598,533.47x = 1,744,523,195,250,464,512
  5. Step 5: Solve for x
    x = 1,744,523,195,250,464,512/1,507,598,533.47
  6. Step 6: Final answer
    x = 1,157,153,682.84

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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.