Home / 990,077,884,711.20-1,485,116,827,066.80-990,077,884,711.20

Finding the Fourth Proportional to 990,077,884,711.20, 1,485,116,827,066.80 and 990,077,884,711.20

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Solution

The fourth proportional to 990,077,884,711.20, 1,485,116,827,066.80 and 990,077,884,711.20 is: 1,485,116,827,066.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,077,884,711.20 : 1,485,116,827,066.80 = 990,077,884,711.20 : x
  2. Step 2: Convert to fraction form
    990,077,884,711.20/1,485,116,827,066.80 = 990,077,884,711.20/x
  3. Step 3: Cross multiply
    990,077,884,711.20x = 1,485,116,827,066.80 × 990,077,884,711.20
  4. Step 4: Simplify right side
    990,077,884,711.20x = 1,470,381,326,691,306,404,052,992
  5. Step 5: Solve for x
    x = 1,470,381,326,691,306,404,052,992/990,077,884,711.20
  6. Step 6: Final answer
    x = 1,485,116,827,066.80

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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.