Home / 984,553,638.96-1,359,102,372.12-613,459,017.48

Finding the Fourth Proportional to 984,553,638.96, 1,359,102,372.12 and 613,459,017.48

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Solution

The fourth proportional to 984,553,638.96, 1,359,102,372.12 and 613,459,017.48 is: 846,834,111.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,553,638.96 : 1,359,102,372.12 = 613,459,017.48 : x
  2. Step 2: Convert to fraction form
    984,553,638.96/1,359,102,372.12 = 613,459,017.48/x
  3. Step 3: Cross multiply
    984,553,638.96x = 1,359,102,372.12 × 613,459,017.48
  4. Step 4: Simplify right side
    984,553,638.96x = 833,753,605,855,472,512
  5. Step 5: Solve for x
    x = 833,753,605,855,472,512/984,553,638.96
  6. Step 6: Final answer
    x = 846,834,111.28

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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.