Home / 784,615,412.32-1,082,756,040.72-432,224,366.56

Finding the Fourth Proportional to 784,615,412.32, 1,082,756,040.72 and 432,224,366.56

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Solution

The fourth proportional to 784,615,412.32, 1,082,756,040.72 and 432,224,366.56 is: 596,462,338.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,615,412.32 : 1,082,756,040.72 = 432,224,366.56 : x
  2. Step 2: Convert to fraction form
    784,615,412.32/1,082,756,040.72 = 432,224,366.56/x
  3. Step 3: Cross multiply
    784,615,412.32x = 1,082,756,040.72 × 432,224,366.56
  4. Step 4: Simplify right side
    784,615,412.32x = 467,993,543,839,215,552
  5. Step 5: Solve for x
    x = 467,993,543,839,215,552/784,615,412.32
  6. Step 6: Final answer
    x = 596,462,338.73

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1.5x scale

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.