Home / 531,649,910.40-797,474,865.60-313,075,881.60

Finding the Fourth Proportional to 531,649,910.40, 797,474,865.60 and 313,075,881.60

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Solution

The fourth proportional to 531,649,910.40, 797,474,865.60 and 313,075,881.60 is: 469,613,822.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,649,910.40 : 797,474,865.60 = 313,075,881.60 : x
  2. Step 2: Convert to fraction form
    531,649,910.40/797,474,865.60 = 313,075,881.60/x
  3. Step 3: Cross multiply
    531,649,910.40x = 797,474,865.60 × 313,075,881.60
  4. Step 4: Simplify right side
    531,649,910.40x = 249,670,146,601,561,536
  5. Step 5: Solve for x
    x = 249,670,146,601,561,536/531,649,910.40
  6. Step 6: Final answer
    x = 469,613,822.40

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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.