Home / 2,153,715,004.80-3,228,021,590.40-1,607,818,809.60

Finding the Fourth Proportional to 2,153,715,004.80, 3,228,021,590.40 and 1,607,818,809.60

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Solution

The fourth proportional to 2,153,715,004.80, 3,228,021,590.40 and 1,607,818,809.60 is: 2,409,823,871.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,153,715,004.80 : 3,228,021,590.40 = 1,607,818,809.60 : x
  2. Step 2: Convert to fraction form
    2,153,715,004.80/3,228,021,590.40 = 1,607,818,809.60/x
  3. Step 3: Cross multiply
    2,153,715,004.80x = 3,228,021,590.40 × 1,607,818,809.60
  4. Step 4: Simplify right side
    2,153,715,004.80x = 5,190,073,830,840,027,136
  5. Step 5: Solve for x
    x = 5,190,073,830,840,027,136/2,153,715,004.80
  6. Step 6: Final answer
    x = 2,409,823,871.44

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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.