Home / 560,362,246.80-839,409,629.40-388,033,645.20

Finding the Fourth Proportional to 560,362,246.80, 839,409,629.40 and 388,033,645.20

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Solution

The fourth proportional to 560,362,246.80, 839,409,629.40 and 388,033,645.20 is: 581,265,387.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,362,246.80 : 839,409,629.40 = 388,033,645.20 : x
  2. Step 2: Convert to fraction form
    560,362,246.80/839,409,629.40 = 388,033,645.20/x
  3. Step 3: Cross multiply
    560,362,246.80x = 839,409,629.40 × 388,033,645.20
  4. Step 4: Simplify right side
    560,362,246.80x = 325,719,178,312,063,040
  5. Step 5: Solve for x
    x = 325,719,178,312,063,040/560,362,246.80
  6. Step 6: Final answer
    x = 581,265,387.12

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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.