Home / 972,357,126.82-1,458,767,725.08-317,309,371.80

Finding the Fourth Proportional to 972,357,126.82, 1,458,767,725.08 and 317,309,371.80

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Solution

The fourth proportional to 972,357,126.82, 1,458,767,725.08 and 317,309,371.80 is: 476,039,777.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,357,126.82 : 1,458,767,725.08 = 317,309,371.80 : x
  2. Step 2: Convert to fraction form
    972,357,126.82/1,458,767,725.08 = 317,309,371.80/x
  3. Step 3: Cross multiply
    972,357,126.82x = 1,458,767,725.08 × 317,309,371.80
  4. Step 4: Simplify right side
    972,357,126.82x = 462,880,670,439,956,096
  5. Step 5: Solve for x
    x = 462,880,670,439,956,096/972,357,126.82
  6. Step 6: Final answer
    x = 476,039,777.64

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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.