Home / 671,716,442.80-1,008,022,561.80-380,583,002.80

Finding the Fourth Proportional to 671,716,442.80, 1,008,022,561.80 and 380,583,002.80

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Solution

The fourth proportional to 671,716,442.80, 1,008,022,561.80 and 380,583,002.80 is: 571,128,275.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,716,442.80 : 1,008,022,561.80 = 380,583,002.80 : x
  2. Step 2: Convert to fraction form
    671,716,442.80/1,008,022,561.80 = 380,583,002.80/x
  3. Step 3: Cross multiply
    671,716,442.80x = 1,008,022,561.80 × 380,583,002.80
  4. Step 4: Simplify right side
    671,716,442.80x = 383,636,253,459,992,576
  5. Step 5: Solve for x
    x = 383,636,253,459,992,576/671,716,442.80
  6. Step 6: Final answer
    x = 571,128,275.29

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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.