Home / 1,120,913,132,130.10-1,681,369,702,229.40-315,080,072,708.40

Finding the Fourth Proportional to 1,120,913,132,130.10, 1,681,369,702,229.40 and 315,080,072,708.40

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Solution

The fourth proportional to 1,120,913,132,130.10, 1,681,369,702,229.40 and 315,080,072,708.40 is: 472,620,110,196.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,913,132,130.10 : 1,681,369,702,229.40 = 315,080,072,708.40 : x
  2. Step 2: Convert to fraction form
    1,120,913,132,130.10/1,681,369,702,229.40 = 315,080,072,708.40/x
  3. Step 3: Cross multiply
    1,120,913,132,130.10x = 1,681,369,702,229.40 × 315,080,072,708.40
  4. Step 4: Simplify right side
    1,120,913,132,130.10x = 529,766,088,028,140,188,205,056
  5. Step 5: Solve for x
    x = 529,766,088,028,140,188,205,056/1,120,913,132,130.10
  6. Step 6: Final answer
    x = 472,620,110,196.60

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Double scale
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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.