Home / 680,904,051.20-1,021,356,076.80-473,079,564.80

Finding the Fourth Proportional to 680,904,051.20, 1,021,356,076.80 and 473,079,564.80

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Solution

The fourth proportional to 680,904,051.20, 1,021,356,076.80 and 473,079,564.80 is: 709,619,347.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,904,051.20 : 1,021,356,076.80 = 473,079,564.80 : x
  2. Step 2: Convert to fraction form
    680,904,051.20/1,021,356,076.80 = 473,079,564.80/x
  3. Step 3: Cross multiply
    680,904,051.20x = 1,021,356,076.80 × 473,079,564.80
  4. Step 4: Simplify right side
    680,904,051.20x = 483,182,688,318,379,392
  5. Step 5: Solve for x
    x = 483,182,688,318,379,392/680,904,051.20
  6. Step 6: Final answer
    x = 709,619,347.20

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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.