Home / 531,650,028.40-797,475,042.60-313,075,999.60

Finding the Fourth Proportional to 531,650,028.40, 797,475,042.60 and 313,075,999.60

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Solution

The fourth proportional to 531,650,028.40, 797,475,042.60 and 313,075,999.60 is: 469,613,999.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,650,028.40 : 797,475,042.60 = 313,075,999.60 : x
  2. Step 2: Convert to fraction form
    531,650,028.40/797,475,042.60 = 313,075,999.60/x
  3. Step 3: Cross multiply
    531,650,028.40x = 797,475,042.60 × 313,075,999.60
  4. Step 4: Simplify right side
    531,650,028.40x = 249,670,296,118,047,616
  5. Step 5: Solve for x
    x = 249,670,296,118,047,616/531,650,028.40
  6. Step 6: Final answer
    x = 469,613,999.40

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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.