Home / 531,490,250.40-797,235,375.60-477,920,997.60

Finding the Fourth Proportional to 531,490,250.40, 797,235,375.60 and 477,920,997.60

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Solution

The fourth proportional to 531,490,250.40, 797,235,375.60 and 477,920,997.60 is: 716,881,496.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,490,250.40 : 797,235,375.60 = 477,920,997.60 : x
  2. Step 2: Convert to fraction form
    531,490,250.40/797,235,375.60 = 477,920,997.60/x
  3. Step 3: Cross multiply
    531,490,250.40x = 797,235,375.60 × 477,920,997.60
  4. Step 4: Simplify right side
    531,490,250.40x = 381,015,526,028,762,752
  5. Step 5: Solve for x
    x = 381,015,526,028,762,752/531,490,250.40
  6. Step 6: Final answer
    x = 716,881,496.40

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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.