Home / 785,178,115,964.30-1,176,117,808,337.10-498,188,448,003.08

Finding the Fourth Proportional to 785,178,115,964.30, 1,176,117,808,337.10 and 498,188,448,003.08

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Solution

The fourth proportional to 785,178,115,964.30, 1,176,117,808,337.10 and 498,188,448,003.08 is: 746,236,164,369.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,178,115,964.30 : 1,176,117,808,337.10 = 498,188,448,003.08 : x
  2. Step 2: Convert to fraction form
    785,178,115,964.30/1,176,117,808,337.10 = 498,188,448,003.08/x
  3. Step 3: Cross multiply
    785,178,115,964.30x = 1,176,117,808,337.10 × 498,188,448,003.08
  4. Step 4: Simplify right side
    785,178,115,964.30x = 585,928,305,604,243,805,437,952
  5. Step 5: Solve for x
    x = 585,928,305,604,243,805,437,952/785,178,115,964.30
  6. Step 6: Final answer
    x = 746,236,164,369.72

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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.