Home / 785,178,115,963.75-1,176,117,808,336.40-498,188,448,002.45

Finding the Fourth Proportional to 785,178,115,963.75, 1,176,117,808,336.40 and 498,188,448,002.45

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Solution

The fourth proportional to 785,178,115,963.75, 1,176,117,808,336.40 and 498,188,448,002.45 is: 746,236,164,368.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,178,115,963.75 : 1,176,117,808,336.40 = 498,188,448,002.45 : x
  2. Step 2: Convert to fraction form
    785,178,115,963.75/1,176,117,808,336.40 = 498,188,448,002.45/x
  3. Step 3: Cross multiply
    785,178,115,963.75x = 1,176,117,808,336.40 × 498,188,448,002.45
  4. Step 4: Simplify right side
    785,178,115,963.75x = 585,928,305,603,154,024,595,456
  5. Step 5: Solve for x
    x = 585,928,305,603,154,024,595,456/785,178,115,963.75
  6. Step 6: Final answer
    x = 746,236,164,368.86

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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.