Home / 877,855,813.60-1,315,440,027.60-829,482,872.80

Finding the Fourth Proportional to 877,855,813.60, 1,315,440,027.60 and 829,482,872.80

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Solution

The fourth proportional to 877,855,813.60, 1,315,440,027.60 and 829,482,872.80 is: 1,242,954,658.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,855,813.60 : 1,315,440,027.60 = 829,482,872.80 : x
  2. Step 2: Convert to fraction form
    877,855,813.60/1,315,440,027.60 = 829,482,872.80/x
  3. Step 3: Cross multiply
    877,855,813.60x = 1,315,440,027.60 × 829,482,872.80
  4. Step 4: Simplify right side
    877,855,813.60x = 1,091,134,973,089,759,104
  5. Step 5: Solve for x
    x = 1,091,134,973,089,759,104/877,855,813.60
  6. Step 6: Final answer
    x = 1,242,954,658.60

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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.