Home / 680,713,637.63-1,021,367,453.49-238,373,798.85

Finding the Fourth Proportional to 680,713,637.63, 1,021,367,453.49 and 238,373,798.85

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Solution

The fourth proportional to 680,713,637.63, 1,021,367,453.49 and 238,373,798.85 is: 357,664,701.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,713,637.63 : 1,021,367,453.49 = 238,373,798.85 : x
  2. Step 2: Convert to fraction form
    680,713,637.63/1,021,367,453.49 = 238,373,798.85/x
  3. Step 3: Cross multiply
    680,713,637.63x = 1,021,367,453.49 × 238,373,798.85
  4. Step 4: Simplify right side
    680,713,637.63x = 243,467,239,910,161,984
  5. Step 5: Solve for x
    x = 243,467,239,910,161,984/680,713,637.63
  6. Step 6: Final answer
    x = 357,664,701.36

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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.