Home / 784,615,368.08-1,082,755,979.84-432,224,322.32

Finding the Fourth Proportional to 784,615,368.08, 1,082,755,979.84 and 432,224,322.32

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Solution

The fourth proportional to 784,615,368.08, 1,082,755,979.84 and 432,224,322.32 is: 596,462,277.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,615,368.08 : 1,082,755,979.84 = 432,224,322.32 : x
  2. Step 2: Convert to fraction form
    784,615,368.08/1,082,755,979.84 = 432,224,322.32/x
  3. Step 3: Cross multiply
    784,615,368.08x = 1,082,755,979.84 × 432,224,322.32
  4. Step 4: Simplify right side
    784,615,368.08x = 467,993,469,624,271,552
  5. Step 5: Solve for x
    x = 467,993,469,624,271,552/784,615,368.08
  6. Step 6: Final answer
    x = 596,462,277.78

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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.