Home / 423,075,218.40-634,612,827.60-350,374,089.60

Finding the Fourth Proportional to 423,075,218.40, 634,612,827.60 and 350,374,089.60

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Solution

The fourth proportional to 423,075,218.40, 634,612,827.60 and 350,374,089.60 is: 525,561,134.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,075,218.40 : 634,612,827.60 = 350,374,089.60 : x
  2. Step 2: Convert to fraction form
    423,075,218.40/634,612,827.60 = 350,374,089.60/x
  3. Step 3: Cross multiply
    423,075,218.40x = 634,612,827.60 × 350,374,089.60
  4. Step 4: Simplify right side
    423,075,218.40x = 222,351,891,718,831,776
  5. Step 5: Solve for x
    x = 222,351,891,718,831,776/423,075,218.40
  6. Step 6: Final answer
    x = 525,561,134.40

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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.