Home / 961,731,900,782.05-1,442,842,030,957.60-445,205,788,793.32

Finding the Fourth Proportional to 961,731,900,782.05, 1,442,842,030,957.60 and 445,205,788,793.32

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Solution

The fourth proportional to 961,731,900,782.05, 1,442,842,030,957.60 and 445,205,788,793.32 is: 667,921,719,113.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,731,900,782.05 : 1,442,842,030,957.60 = 445,205,788,793.32 : x
  2. Step 2: Convert to fraction form
    961,731,900,782.05/1,442,842,030,957.60 = 445,205,788,793.32/x
  3. Step 3: Cross multiply
    961,731,900,782.05x = 1,442,842,030,957.60 × 445,205,788,793.32
  4. Step 4: Simplify right side
    961,731,900,782.05x = 642,361,624,496,634,230,472,704
  5. Step 5: Solve for x
    x = 642,361,624,496,634,230,472,704/961,731,900,782.05
  6. Step 6: Final answer
    x = 667,921,719,113.49

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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.