Home / 785,178,115,962.35-1,176,117,808,334-498,188,448,001.06

Finding the Fourth Proportional to 785,178,115,962.35, 1,176,117,808,334 and 498,188,448,001.06

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Solution

The fourth proportional to 785,178,115,962.35, 1,176,117,808,334 and 498,188,448,001.06 is: 746,236,164,366.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,178,115,962.35 : 1,176,117,808,334 = 498,188,448,001.06 : x
  2. Step 2: Convert to fraction form
    785,178,115,962.35/1,176,117,808,334 = 498,188,448,001.06/x
  3. Step 3: Cross multiply
    785,178,115,962.35x = 1,176,117,808,334 × 498,188,448,001.06
  4. Step 4: Simplify right side
    785,178,115,962.35x = 585,928,305,600,323,641,147,392
  5. Step 5: Solve for x
    x = 585,928,305,600,323,641,147,392/785,178,115,962.35
  6. Step 6: Final answer
    x = 746,236,164,366.58

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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.