Home / 785,178,115,969.75-1,176,117,808,345.10-498,188,448,008.40

Finding the Fourth Proportional to 785,178,115,969.75, 1,176,117,808,345.10 and 498,188,448,008.40

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Solution

The fourth proportional to 785,178,115,969.75, 1,176,117,808,345.10 and 498,188,448,008.40 is: 746,236,164,377.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,178,115,969.75 : 1,176,117,808,345.10 = 498,188,448,008.40 : x
  2. Step 2: Convert to fraction form
    785,178,115,969.75/1,176,117,808,345.10 = 498,188,448,008.40/x
  3. Step 3: Cross multiply
    785,178,115,969.75x = 1,176,117,808,345.10 × 498,188,448,008.40
  4. Step 4: Simplify right side
    785,178,115,969.75x = 585,928,305,614,486,295,805,952
  5. Step 5: Solve for x
    x = 585,928,305,614,486,295,805,952/785,178,115,969.75
  6. Step 6: Final answer
    x = 746,236,164,377.59

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Double scale
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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.