Home / 785,178,115,966.75-1,176,117,808,340.60-498,188,448,005.45

Finding the Fourth Proportional to 785,178,115,966.75, 1,176,117,808,340.60 and 498,188,448,005.45

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Solution

The fourth proportional to 785,178,115,966.75, 1,176,117,808,340.60 and 498,188,448,005.45 is: 746,236,164,373.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,178,115,966.75 : 1,176,117,808,340.60 = 498,188,448,005.45 : x
  2. Step 2: Convert to fraction form
    785,178,115,966.75/1,176,117,808,340.60 = 498,188,448,005.45/x
  3. Step 3: Cross multiply
    785,178,115,966.75x = 1,176,117,808,340.60 × 498,188,448,005.45
  4. Step 4: Simplify right side
    785,178,115,966.75x = 585,928,305,608,774,861,717,504
  5. Step 5: Solve for x
    x = 585,928,305,608,774,861,717,504/785,178,115,966.75
  6. Step 6: Final answer
    x = 746,236,164,373.16

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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.