Home / 820,080,020,615.20-1,131,710,034,824.60-490,483,053,080.08

Finding the Fourth Proportional to 820,080,020,615.20, 1,131,710,034,824.60 and 490,483,053,080.08

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Solution

The fourth proportional to 820,080,020,615.20, 1,131,710,034,824.60 and 490,483,053,080.08 is: 676,866,377,827.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,080,020,615.20 : 1,131,710,034,824.60 = 490,483,053,080.08 : x
  2. Step 2: Convert to fraction form
    820,080,020,615.20/1,131,710,034,824.60 = 490,483,053,080.08/x
  3. Step 3: Cross multiply
    820,080,020,615.20x = 1,131,710,034,824.60 × 490,483,053,080.08
  4. Step 4: Simplify right side
    820,080,020,615.20x = 555,084,593,082,133,506,949,120
  5. Step 5: Solve for x
    x = 555,084,593,082,133,506,949,120/820,080,020,615.20
  6. Step 6: Final answer
    x = 676,866,377,827.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.