Home / 516,087,051.20-774,130,576.80-476,672,062.40

Finding the Fourth Proportional to 516,087,051.20, 774,130,576.80 and 476,672,062.40

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Solution

The fourth proportional to 516,087,051.20, 774,130,576.80 and 476,672,062.40 is: 715,008,093.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,087,051.20 : 774,130,576.80 = 476,672,062.40 : x
  2. Step 2: Convert to fraction form
    516,087,051.20/774,130,576.80 = 476,672,062.40/x
  3. Step 3: Cross multiply
    516,087,051.20x = 774,130,576.80 × 476,672,062.40
  4. Step 4: Simplify right side
    516,087,051.20x = 369,006,418,610,157,568
  5. Step 5: Solve for x
    x = 369,006,418,610,157,568/516,087,051.20
  6. Step 6: Final answer
    x = 715,008,093.60

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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.