Home / 1,703,400,399.90-2,555,339,748.30-538,747,448.40

Finding the Fourth Proportional to 1,703,400,399.90, 2,555,339,748.30 and 538,747,448.40

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Solution

The fourth proportional to 1,703,400,399.90, 2,555,339,748.30 and 538,747,448.40 is: 808,196,809.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,703,400,399.90 : 2,555,339,748.30 = 538,747,448.40 : x
  2. Step 2: Convert to fraction form
    1,703,400,399.90/2,555,339,748.30 = 538,747,448.40/x
  3. Step 3: Cross multiply
    1,703,400,399.90x = 2,555,339,748.30 × 538,747,448.40
  4. Step 4: Simplify right side
    1,703,400,399.90x = 1,376,682,769,191,723,264
  5. Step 5: Solve for x
    x = 1,376,682,769,191,723,264/1,703,400,399.90
  6. Step 6: Final answer
    x = 808,196,809.91

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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.