Home / 540,907,369,984.40-811,518,088,456.18-218,043,562,881.20

Finding the Fourth Proportional to 540,907,369,984.40, 811,518,088,456.18 and 218,043,562,881.20

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Solution

The fourth proportional to 540,907,369,984.40, 811,518,088,456.18 and 218,043,562,881.20 is: 327,128,645,621.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,907,369,984.40 : 811,518,088,456.18 = 218,043,562,881.20 : x
  2. Step 2: Convert to fraction form
    540,907,369,984.40/811,518,088,456.18 = 218,043,562,881.20/x
  3. Step 3: Cross multiply
    540,907,369,984.40x = 811,518,088,456.18 × 218,043,562,881.20
  4. Step 4: Simplify right side
    540,907,369,984.40x = 176,946,295,349,526,313,041,920
  5. Step 5: Solve for x
    x = 176,946,295,349,526,313,041,920/540,907,369,984.40
  6. Step 6: Final answer
    x = 327,128,645,621.21

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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.