Home / 435,220,819.05-652,406,075.78-389,304,316.65

Finding the Fourth Proportional to 435,220,819.05, 652,406,075.78 and 389,304,316.65

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Solution

The fourth proportional to 435,220,819.05, 652,406,075.78 and 389,304,316.65 is: 583,576,176.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,220,819.05 : 652,406,075.78 = 389,304,316.65 : x
  2. Step 2: Convert to fraction form
    435,220,819.05/652,406,075.78 = 389,304,316.65/x
  3. Step 3: Cross multiply
    435,220,819.05x = 652,406,075.78 × 389,304,316.65
  4. Step 4: Simplify right side
    435,220,819.05x = 253,984,501,507,894,464
  5. Step 5: Solve for x
    x = 253,984,501,507,894,464/435,220,819.05
  6. Step 6: Final answer
    x = 583,576,176.49

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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.