Home / 979,819,349.70-1,352,148,335.25-533,786,378.16

Finding the Fourth Proportional to 979,819,349.70, 1,352,148,335.25 and 533,786,378.16

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Solution

The fourth proportional to 979,819,349.70, 1,352,148,335.25 and 533,786,378.16 is: 736,623,912.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,819,349.70 : 1,352,148,335.25 = 533,786,378.16 : x
  2. Step 2: Convert to fraction form
    979,819,349.70/1,352,148,335.25 = 533,786,378.16/x
  3. Step 3: Cross multiply
    979,819,349.70x = 1,352,148,335.25 × 533,786,378.16
  4. Step 4: Simplify right side
    979,819,349.70x = 721,758,362,608,171,008
  5. Step 5: Solve for x
    x = 721,758,362,608,171,008/979,819,349.70
  6. Step 6: Final answer
    x = 736,623,912.18

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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.