Home / 839,808,858.60-1,259,713,287.90-759,454,979.40

Finding the Fourth Proportional to 839,808,858.60, 1,259,713,287.90 and 759,454,979.40

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Solution

The fourth proportional to 839,808,858.60, 1,259,713,287.90 and 759,454,979.40 is: 1,139,182,469.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,808,858.60 : 1,259,713,287.90 = 759,454,979.40 : x
  2. Step 2: Convert to fraction form
    839,808,858.60/1,259,713,287.90 = 759,454,979.40/x
  3. Step 3: Cross multiply
    839,808,858.60x = 1,259,713,287.90 × 759,454,979.40
  4. Step 4: Simplify right side
    839,808,858.60x = 956,695,529,112,000,768
  5. Step 5: Solve for x
    x = 956,695,529,112,000,768/839,808,858.60
  6. Step 6: Final answer
    x = 1,139,182,469.10

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1.5x scale

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.