Home / 785,178,115,961.20-1,176,117,808,332.30-498,188,447,999.84

Finding the Fourth Proportional to 785,178,115,961.20, 1,176,117,808,332.30 and 498,188,447,999.84

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Solution

The fourth proportional to 785,178,115,961.20, 1,176,117,808,332.30 and 498,188,447,999.84 is: 746,236,164,364.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,178,115,961.20 : 1,176,117,808,332.30 = 498,188,447,999.84 : x
  2. Step 2: Convert to fraction form
    785,178,115,961.20/1,176,117,808,332.30 = 498,188,447,999.84/x
  3. Step 3: Cross multiply
    785,178,115,961.20x = 1,176,117,808,332.30 × 498,188,447,999.84
  4. Step 4: Simplify right side
    785,178,115,961.20x = 585,928,305,598,041,872,662,528
  5. Step 5: Solve for x
    x = 585,928,305,598,041,872,662,528/785,178,115,961.20
  6. Step 6: Final answer
    x = 746,236,164,364.77

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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.