Home / 784,477,345.10-1,082,498,623.35-483,014,785.10

Finding the Fourth Proportional to 784,477,345.10, 1,082,498,623.35 and 483,014,785.10

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Solution

The fourth proportional to 784,477,345.10, 1,082,498,623.35 and 483,014,785.10 is: 666,511,076.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,477,345.10 : 1,082,498,623.35 = 483,014,785.10 : x
  2. Step 2: Convert to fraction form
    784,477,345.10/1,082,498,623.35 = 483,014,785.10/x
  3. Step 3: Cross multiply
    784,477,345.10x = 1,082,498,623.35 × 483,014,785.10
  4. Step 4: Simplify right side
    784,477,345.10x = 522,862,839,928,446,080
  5. Step 5: Solve for x
    x = 522,862,839,928,446,080/784,477,345.10
  6. Step 6: Final answer
    x = 666,511,076.70

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Double scale
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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.