Home / 563,435,999.40-845,153,999.10-461,315,346.60

Finding the Fourth Proportional to 563,435,999.40, 845,153,999.10 and 461,315,346.60

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Solution

The fourth proportional to 563,435,999.40, 845,153,999.10 and 461,315,346.60 is: 691,973,019.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,435,999.40 : 845,153,999.10 = 461,315,346.60 : x
  2. Step 2: Convert to fraction form
    563,435,999.40/845,153,999.10 = 461,315,346.60/x
  3. Step 3: Cross multiply
    563,435,999.40x = 845,153,999.10 × 461,315,346.60
  4. Step 4: Simplify right side
    563,435,999.40x = 389,882,510,025,192,640
  5. Step 5: Solve for x
    x = 389,882,510,025,192,640/563,435,999.40
  6. Step 6: Final answer
    x = 691,973,019.90

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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.