Home / 507,617,261.20-761,428,519.28-231,075,078.32

Finding the Fourth Proportional to 507,617,261.20, 761,428,519.28 and 231,075,078.32

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Solution

The fourth proportional to 507,617,261.20, 761,428,519.28 and 231,075,078.32 is: 346,613,813.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,617,261.20 : 761,428,519.28 = 231,075,078.32 : x
  2. Step 2: Convert to fraction form
    507,617,261.20/761,428,519.28 = 231,075,078.32/x
  3. Step 3: Cross multiply
    507,617,261.20x = 761,428,519.28 × 231,075,078.32
  4. Step 4: Simplify right side
    507,617,261.20x = 175,947,154,727,707,616
  5. Step 5: Solve for x
    x = 175,947,154,727,707,616/507,617,261.20
  6. Step 6: Final answer
    x = 346,613,813.55

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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.