Home / 903,438,205.20-1,355,157,307.80-673,855,693.20

Finding the Fourth Proportional to 903,438,205.20, 1,355,157,307.80 and 673,855,693.20

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Solution

The fourth proportional to 903,438,205.20, 1,355,157,307.80 and 673,855,693.20 is: 1,010,783,539.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,438,205.20 : 1,355,157,307.80 = 673,855,693.20 : x
  2. Step 2: Convert to fraction form
    903,438,205.20/1,355,157,307.80 = 673,855,693.20/x
  3. Step 3: Cross multiply
    903,438,205.20x = 1,355,157,307.80 × 673,855,693.20
  4. Step 4: Simplify right side
    903,438,205.20x = 913,180,467,042,614,784
  5. Step 5: Solve for x
    x = 913,180,467,042,614,784/903,438,205.20
  6. Step 6: Final answer
    x = 1,010,783,539.80

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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.