Home / 786,397,323.40-1,179,595,985.10-541,509,310.60

Finding the Fourth Proportional to 786,397,323.40, 1,179,595,985.10 and 541,509,310.60

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Solution

The fourth proportional to 786,397,323.40, 1,179,595,985.10 and 541,509,310.60 is: 812,263,965.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,397,323.40 : 1,179,595,985.10 = 541,509,310.60 : x
  2. Step 2: Convert to fraction form
    786,397,323.40/1,179,595,985.10 = 541,509,310.60/x
  3. Step 3: Cross multiply
    786,397,323.40x = 1,179,595,985.10 × 541,509,310.60
  4. Step 4: Simplify right side
    786,397,323.40x = 638,762,208,678,028,800
  5. Step 5: Solve for x
    x = 638,762,208,678,028,800/786,397,323.40
  6. Step 6: Final answer
    x = 812,263,965.90

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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.