Home / 1,545,103,632.30-2,317,655,448.45-728,810,256.30

Finding the Fourth Proportional to 1,545,103,632.30, 2,317,655,448.45 and 728,810,256.30

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Solution

The fourth proportional to 1,545,103,632.30, 2,317,655,448.45 and 728,810,256.30 is: 1,093,215,384.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545,103,632.30 : 2,317,655,448.45 = 728,810,256.30 : x
  2. Step 2: Convert to fraction form
    1,545,103,632.30/2,317,655,448.45 = 728,810,256.30/x
  3. Step 3: Cross multiply
    1,545,103,632.30x = 2,317,655,448.45 × 728,810,256.30
  4. Step 4: Simplify right side
    1,545,103,632.30x = 1,689,131,061,399,935,744
  5. Step 5: Solve for x
    x = 1,689,131,061,399,935,744/1,545,103,632.30
  6. Step 6: Final answer
    x = 1,093,215,384.45

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1.5x scale

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.