Home / 1,120,913,132,129.60-1,681,369,702,228.70-315,080,072,707.90

Finding the Fourth Proportional to 1,120,913,132,129.60, 1,681,369,702,228.70 and 315,080,072,707.90

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Solution

The fourth proportional to 1,120,913,132,129.60, 1,681,369,702,228.70 and 315,080,072,707.90 is: 472,620,110,195.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,913,132,129.60 : 1,681,369,702,228.70 = 315,080,072,707.90 : x
  2. Step 2: Convert to fraction form
    1,120,913,132,129.60/1,681,369,702,228.70 = 315,080,072,707.90/x
  3. Step 3: Cross multiply
    1,120,913,132,129.60x = 1,681,369,702,228.70 × 315,080,072,707.90
  4. Step 4: Simplify right side
    1,120,913,132,129.60x = 529,766,088,027,078,995,738,624
  5. Step 5: Solve for x
    x = 529,766,088,027,078,995,738,624/1,120,913,132,129.60
  6. Step 6: Final answer
    x = 472,620,110,195.86

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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.