Home / 717,410,704,926.81-990,026,856,741.12-392,250,217,006.20

Finding the Fourth Proportional to 717,410,704,926.81, 990,026,856,741.12 and 392,250,217,006.20

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Solution

The fourth proportional to 717,410,704,926.81, 990,026,856,741.12 and 392,250,217,006.20 is: 541,305,345,364.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,410,704,926.81 : 990,026,856,741.12 = 392,250,217,006.20 : x
  2. Step 2: Convert to fraction form
    717,410,704,926.81/990,026,856,741.12 = 392,250,217,006.20/x
  3. Step 3: Cross multiply
    717,410,704,926.81x = 990,026,856,741.12 × 392,250,217,006.20
  4. Step 4: Simplify right side
    717,410,704,926.81x = 388,338,249,398,670,380,236,800
  5. Step 5: Solve for x
    x = 388,338,249,398,670,380,236,800/717,410,704,926.81
  6. Step 6: Final answer
    x = 541,305,345,364.60

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.