Home / 717,410,704,927.81-990,026,856,742.50-392,250,217,007.20

Finding the Fourth Proportional to 717,410,704,927.81, 990,026,856,742.50 and 392,250,217,007.20

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Solution

The fourth proportional to 717,410,704,927.81, 990,026,856,742.50 and 392,250,217,007.20 is: 541,305,345,365.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,410,704,927.81 : 990,026,856,742.50 = 392,250,217,007.20 : x
  2. Step 2: Convert to fraction form
    717,410,704,927.81/990,026,856,742.50 = 392,250,217,007.20/x
  3. Step 3: Cross multiply
    717,410,704,927.81x = 990,026,856,742.50 × 392,250,217,007.20
  4. Step 4: Simplify right side
    717,410,704,927.81x = 388,338,249,400,201,737,404,416
  5. Step 5: Solve for x
    x = 388,338,249,400,201,737,404,416/717,410,704,927.81
  6. Step 6: Final answer
    x = 541,305,345,365.98

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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.