Home / 1,318,649,100.48-1,977,953,178.24-445,863,414.96

Finding the Fourth Proportional to 1,318,649,100.48, 1,977,953,178.24 and 445,863,414.96

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Solution

The fourth proportional to 1,318,649,100.48, 1,977,953,178.24 and 445,863,414.96 is: 668,788,200.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,649,100.48 : 1,977,953,178.24 = 445,863,414.96 : x
  2. Step 2: Convert to fraction form
    1,318,649,100.48/1,977,953,178.24 = 445,863,414.96/x
  3. Step 3: Cross multiply
    1,318,649,100.48x = 1,977,953,178.24 × 445,863,414.96
  4. Step 4: Simplify right side
    1,318,649,100.48x = 881,896,958,681,071,872
  5. Step 5: Solve for x
    x = 881,896,958,681,071,872/1,318,649,100.48
  6. Step 6: Final answer
    x = 668,788,200.26

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1.5x scale

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.