Home / 976,315,604.90-1,347,325,431.38-530,283,277.76

Finding the Fourth Proportional to 976,315,604.90, 1,347,325,431.38 and 530,283,277.76

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Solution

The fourth proportional to 976,315,604.90, 1,347,325,431.38 and 530,283,277.76 is: 731,796,298.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,315,604.90 : 1,347,325,431.38 = 530,283,277.76 : x
  2. Step 2: Convert to fraction form
    976,315,604.90/1,347,325,431.38 = 530,283,277.76/x
  3. Step 3: Cross multiply
    976,315,604.90x = 1,347,325,431.38 × 530,283,277.76
  4. Step 4: Simplify right side
    976,315,604.90x = 714,464,145,952,204,288
  5. Step 5: Solve for x
    x = 714,464,145,952,204,288/976,315,604.90
  6. Step 6: Final answer
    x = 731,796,298.63

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1.5x scale

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.