Home / 507,116,677.65-699,819,453.84-281,070,075.83

Finding the Fourth Proportional to 507,116,677.65, 699,819,453.84 and 281,070,075.83

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Solution

The fourth proportional to 507,116,677.65, 699,819,453.84 and 281,070,075.83 is: 387,875,839.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,116,677.65 : 699,819,453.84 = 281,070,075.83 : x
  2. Step 2: Convert to fraction form
    507,116,677.65/699,819,453.84 = 281,070,075.83/x
  3. Step 3: Cross multiply
    507,116,677.65x = 699,819,453.84 × 281,070,075.83
  4. Step 4: Simplify right side
    507,116,677.65x = 196,698,306,954,618,880
  5. Step 5: Solve for x
    x = 196,698,306,954,618,880/507,116,677.65
  6. Step 6: Final answer
    x = 387,875,839.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.