Home / 820,200,698,100.48-1,230,654,604,216.30-442,817,556,533.76

Finding the Fourth Proportional to 820,200,698,100.48, 1,230,654,604,216.30 and 442,817,556,533.76

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Solution

The fourth proportional to 820,200,698,100.48, 1,230,654,604,216.30 and 442,817,556,533.76 is: 664,417,216,466.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,200,698,100.48 : 1,230,654,604,216.30 = 442,817,556,533.76 : x
  2. Step 2: Convert to fraction form
    820,200,698,100.48/1,230,654,604,216.30 = 442,817,556,533.76/x
  3. Step 3: Cross multiply
    820,200,698,100.48x = 1,230,654,604,216.30 × 442,817,556,533.76
  4. Step 4: Simplify right side
    820,200,698,100.48x = 544,955,464,776,083,514,064,896
  5. Step 5: Solve for x
    x = 544,955,464,776,083,514,064,896/820,200,698,100.48
  6. Step 6: Final answer
    x = 664,417,216,466.84

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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.