Home / 756,671,430.20-1,135,007,145.30-603,616,422.20

Finding the Fourth Proportional to 756,671,430.20, 1,135,007,145.30 and 603,616,422.20

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Solution

The fourth proportional to 756,671,430.20, 1,135,007,145.30 and 603,616,422.20 is: 905,424,633.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,671,430.20 : 1,135,007,145.30 = 603,616,422.20 : x
  2. Step 2: Convert to fraction form
    756,671,430.20/1,135,007,145.30 = 603,616,422.20/x
  3. Step 3: Cross multiply
    756,671,430.20x = 1,135,007,145.30 × 603,616,422.20
  4. Step 4: Simplify right side
    756,671,430.20x = 685,108,952,217,421,568
  5. Step 5: Solve for x
    x = 685,108,952,217,421,568/756,671,430.20
  6. Step 6: Final answer
    x = 905,424,633.30

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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.