Home / 1,214,789,679.92-1,676,401,410.84-657,859,982.32

Finding the Fourth Proportional to 1,214,789,679.92, 1,676,401,410.84 and 657,859,982.32

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Solution

The fourth proportional to 1,214,789,679.92, 1,676,401,410.84 and 657,859,982.32 is: 907,842,255.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,789,679.92 : 1,676,401,410.84 = 657,859,982.32 : x
  2. Step 2: Convert to fraction form
    1,214,789,679.92/1,676,401,410.84 = 657,859,982.32/x
  3. Step 3: Cross multiply
    1,214,789,679.92x = 1,676,401,410.84 × 657,859,982.32
  4. Step 4: Simplify right side
    1,214,789,679.92x = 1,102,837,402,496,425,472
  5. Step 5: Solve for x
    x = 1,102,837,402,496,425,472/1,214,789,679.92
  6. Step 6: Final answer
    x = 907,842,255.10

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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.