Home / 997,596,326.40-1,496,394,489.60-980,590,214.40

Finding the Fourth Proportional to 997,596,326.40, 1,496,394,489.60 and 980,590,214.40

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Solution

The fourth proportional to 997,596,326.40, 1,496,394,489.60 and 980,590,214.40 is: 1,470,885,321.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,596,326.40 : 1,496,394,489.60 = 980,590,214.40 : x
  2. Step 2: Convert to fraction form
    997,596,326.40/1,496,394,489.60 = 980,590,214.40/x
  3. Step 3: Cross multiply
    997,596,326.40x = 1,496,394,489.60 × 980,590,214.40
  4. Step 4: Simplify right side
    997,596,326.40x = 1,467,349,793,383,842,560
  5. Step 5: Solve for x
    x = 1,467,349,793,383,842,560/997,596,326.40
  6. Step 6: Final answer
    x = 1,470,885,321.60

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1.5x scale

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.