Home / 753,624,883.08-1,039,849,878.42-440,298,583.56

Finding the Fourth Proportional to 753,624,883.08, 1,039,849,878.42 and 440,298,583.56

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Solution

The fourth proportional to 753,624,883.08, 1,039,849,878.42 and 440,298,583.56 is: 607,522,971.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,624,883.08 : 1,039,849,878.42 = 440,298,583.56 : x
  2. Step 2: Convert to fraction form
    753,624,883.08/1,039,849,878.42 = 440,298,583.56/x
  3. Step 3: Cross multiply
    753,624,883.08x = 1,039,849,878.42 × 440,298,583.56
  4. Step 4: Simplify right side
    753,624,883.08x = 457,844,428,583,364,224
  5. Step 5: Solve for x
    x = 457,844,428,583,364,224/753,624,883.08
  6. Step 6: Final answer
    x = 607,522,971.79

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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.