Home / 713,655,507.78-1,070,534,855.52-298,715,010.90

Finding the Fourth Proportional to 713,655,507.78, 1,070,534,855.52 and 298,715,010.90

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Solution

The fourth proportional to 713,655,507.78, 1,070,534,855.52 and 298,715,010.90 is: 448,094,112.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,655,507.78 : 1,070,534,855.52 = 298,715,010.90 : x
  2. Step 2: Convert to fraction form
    713,655,507.78/1,070,534,855.52 = 298,715,010.90/x
  3. Step 3: Cross multiply
    713,655,507.78x = 1,070,534,855.52 × 298,715,010.90
  4. Step 4: Simplify right side
    713,655,507.78x = 319,784,831,035,486,720
  5. Step 5: Solve for x
    x = 319,784,831,035,486,720/713,655,507.78
  6. Step 6: Final answer
    x = 448,094,112.00

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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.