Home / 519,873,671,952.32-717,318,234,948.60-300,138,556,337.60

Finding the Fourth Proportional to 519,873,671,952.32, 717,318,234,948.60 and 300,138,556,337.60

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Solution

The fourth proportional to 519,873,671,952.32, 717,318,234,948.60 and 300,138,556,337.60 is: 414,129,183,852.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,873,671,952.32 : 717,318,234,948.60 = 300,138,556,337.60 : x
  2. Step 2: Convert to fraction form
    519,873,671,952.32/717,318,234,948.60 = 300,138,556,337.60/x
  3. Step 3: Cross multiply
    519,873,671,952.32x = 717,318,234,948.60 × 300,138,556,337.60
  4. Step 4: Simplify right side
    519,873,671,952.32x = 215,294,859,472,108,152,422,400
  5. Step 5: Solve for x
    x = 215,294,859,472,108,152,422,400/519,873,671,952.32
  6. Step 6: Final answer
    x = 414,129,183,852.68

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Double scale
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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.