Home / 1,449,184,032.40-2,172,075,437.40-620,136,072.40

Finding the Fourth Proportional to 1,449,184,032.40, 2,172,075,437.40 and 620,136,072.40

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Solution

The fourth proportional to 1,449,184,032.40, 2,172,075,437.40 and 620,136,072.40 is: 929,476,381.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,449,184,032.40 : 2,172,075,437.40 = 620,136,072.40 : x
  2. Step 2: Convert to fraction form
    1,449,184,032.40/2,172,075,437.40 = 620,136,072.40/x
  3. Step 3: Cross multiply
    1,449,184,032.40x = 2,172,075,437.40 × 620,136,072.40
  4. Step 4: Simplify right side
    1,449,184,032.40x = 1,346,982,330,705,747,968
  5. Step 5: Solve for x
    x = 1,346,982,330,705,747,968/1,449,184,032.40
  6. Step 6: Final answer
    x = 929,476,381.60

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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.