Home / 489,216,358.80-733,824,538.20-451,802,912.40

Finding the Fourth Proportional to 489,216,358.80, 733,824,538.20 and 451,802,912.40

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Solution

The fourth proportional to 489,216,358.80, 733,824,538.20 and 451,802,912.40 is: 677,704,368.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,216,358.80 : 733,824,538.20 = 451,802,912.40 : x
  2. Step 2: Convert to fraction form
    489,216,358.80/733,824,538.20 = 451,802,912.40/x
  3. Step 3: Cross multiply
    489,216,358.80x = 733,824,538.20 × 451,802,912.40
  4. Step 4: Simplify right side
    489,216,358.80x = 331,544,063,549,345,088
  5. Step 5: Solve for x
    x = 331,544,063,549,345,088/489,216,358.80
  6. Step 6: Final answer
    x = 677,704,368.60

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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.