Home / 1,212,997,315.81-1,822,695,404.24-653,173,048.46

Finding the Fourth Proportional to 1,212,997,315.81, 1,822,695,404.24 and 653,173,048.46

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Solution

The fourth proportional to 1,212,997,315.81, 1,822,695,404.24 and 653,173,048.46 is: 981,482,397.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,997,315.81 : 1,822,695,404.24 = 653,173,048.46 : x
  2. Step 2: Convert to fraction form
    1,212,997,315.81/1,822,695,404.24 = 653,173,048.46/x
  3. Step 3: Cross multiply
    1,212,997,315.81x = 1,822,695,404.24 × 653,173,048.46
  4. Step 4: Simplify right side
    1,212,997,315.81x = 1,190,535,513,589,628,160
  5. Step 5: Solve for x
    x = 1,190,535,513,589,628,160/1,212,997,315.81
  6. Step 6: Final answer
    x = 981,482,397.42

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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.