Home / 423,075,219.40-634,612,829.10-350,374,090.60

Finding the Fourth Proportional to 423,075,219.40, 634,612,829.10 and 350,374,090.60

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Solution

The fourth proportional to 423,075,219.40, 634,612,829.10 and 350,374,090.60 is: 525,561,135.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,075,219.40 : 634,612,829.10 = 350,374,090.60 : x
  2. Step 2: Convert to fraction form
    423,075,219.40/634,612,829.10 = 350,374,090.60/x
  3. Step 3: Cross multiply
    423,075,219.40x = 634,612,829.10 × 350,374,090.60
  4. Step 4: Simplify right side
    423,075,219.40x = 222,351,892,879,005,728
  5. Step 5: Solve for x
    x = 222,351,892,879,005,728/423,075,219.40
  6. Step 6: Final answer
    x = 525,561,135.90

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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.