Home / 1,206,535,156.80-1,810,698,530.40-480,045,249.60

Finding the Fourth Proportional to 1,206,535,156.80, 1,810,698,530.40 and 480,045,249.60

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Solution

The fourth proportional to 1,206,535,156.80, 1,810,698,530.40 and 480,045,249.60 is: 720,424,285.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,535,156.80 : 1,810,698,530.40 = 480,045,249.60 : x
  2. Step 2: Convert to fraction form
    1,206,535,156.80/1,810,698,530.40 = 480,045,249.60/x
  3. Step 3: Cross multiply
    1,206,535,156.80x = 1,810,698,530.40 × 480,045,249.60
  4. Step 4: Simplify right side
    1,206,535,156.80x = 869,217,227,976,221,312
  5. Step 5: Solve for x
    x = 869,217,227,976,221,312/1,206,535,156.80
  6. Step 6: Final answer
    x = 720,424,285.26

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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.