Home / 435,021,407.10-652,532,110.65-263,028,728.70

Finding the Fourth Proportional to 435,021,407.10, 652,532,110.65 and 263,028,728.70

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Solution

The fourth proportional to 435,021,407.10, 652,532,110.65 and 263,028,728.70 is: 394,543,093.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,021,407.10 : 652,532,110.65 = 263,028,728.70 : x
  2. Step 2: Convert to fraction form
    435,021,407.10/652,532,110.65 = 263,028,728.70/x
  3. Step 3: Cross multiply
    435,021,407.10x = 652,532,110.65 × 263,028,728.70
  4. Step 4: Simplify right side
    435,021,407.10x = 171,634,691,500,197,216
  5. Step 5: Solve for x
    x = 171,634,691,500,197,216/435,021,407.10
  6. Step 6: Final answer
    x = 394,543,093.05

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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.