Home / 540,907,369,983.40-811,518,088,454.68-218,043,562,880.20

Finding the Fourth Proportional to 540,907,369,983.40, 811,518,088,454.68 and 218,043,562,880.20

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Solution

The fourth proportional to 540,907,369,983.40, 811,518,088,454.68 and 218,043,562,880.20 is: 327,128,645,619.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,907,369,983.40 : 811,518,088,454.68 = 218,043,562,880.20 : x
  2. Step 2: Convert to fraction form
    540,907,369,983.40/811,518,088,454.68 = 218,043,562,880.20/x
  3. Step 3: Cross multiply
    540,907,369,983.40x = 811,518,088,454.68 × 218,043,562,880.20
  4. Step 4: Simplify right side
    540,907,369,983.40x = 176,946,295,348,387,744,055,296
  5. Step 5: Solve for x
    x = 176,946,295,348,387,744,055,296/540,907,369,983.40
  6. Step 6: Final answer
    x = 327,128,645,619.71

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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.