Home / 683,315,999.80-1,024,973,999.70-450,863,706.40

Finding the Fourth Proportional to 683,315,999.80, 1,024,973,999.70 and 450,863,706.40

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Solution

The fourth proportional to 683,315,999.80, 1,024,973,999.70 and 450,863,706.40 is: 676,295,559.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,315,999.80 : 1,024,973,999.70 = 450,863,706.40 : x
  2. Step 2: Convert to fraction form
    683,315,999.80/1,024,973,999.70 = 450,863,706.40/x
  3. Step 3: Cross multiply
    683,315,999.80x = 1,024,973,999.70 × 450,863,706.40
  4. Step 4: Simplify right side
    683,315,999.80x = 462,123,576,468,374,464
  5. Step 5: Solve for x
    x = 462,123,576,468,374,464/683,315,999.80
  6. Step 6: Final answer
    x = 676,295,559.60

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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.