Home / 1,373,189,347.40-2,059,784,021.10-511,368,009.80

Finding the Fourth Proportional to 1,373,189,347.40, 2,059,784,021.10 and 511,368,009.80

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Solution

The fourth proportional to 1,373,189,347.40, 2,059,784,021.10 and 511,368,009.80 is: 767,052,014.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,373,189,347.40 : 2,059,784,021.10 = 511,368,009.80 : x
  2. Step 2: Convert to fraction form
    1,373,189,347.40/2,059,784,021.10 = 511,368,009.80/x
  3. Step 3: Cross multiply
    1,373,189,347.40x = 2,059,784,021.10 × 511,368,009.80
  4. Step 4: Simplify right side
    1,373,189,347.40x = 1,053,307,655,487,748,224
  5. Step 5: Solve for x
    x = 1,053,307,655,487,748,224/1,373,189,347.40
  6. Step 6: Final answer
    x = 767,052,014.70

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Double scale
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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.