Home / 1,511,778,652.64-2,086,254,523.20-816,417,628.64

Finding the Fourth Proportional to 1,511,778,652.64, 2,086,254,523.20 and 816,417,628.64

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Solution

The fourth proportional to 1,511,778,652.64, 2,086,254,523.20 and 816,417,628.64 is: 1,126,656,318.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,778,652.64 : 2,086,254,523.20 = 816,417,628.64 : x
  2. Step 2: Convert to fraction form
    1,511,778,652.64/2,086,254,523.20 = 816,417,628.64/x
  3. Step 3: Cross multiply
    1,511,778,652.64x = 2,086,254,523.20 × 816,417,628.64
  4. Step 4: Simplify right side
    1,511,778,652.64x = 1,703,254,970,570,417,920
  5. Step 5: Solve for x
    x = 1,703,254,970,570,417,920/1,511,778,652.64
  6. Step 6: Final answer
    x = 1,126,656,318.10

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1.5x scale

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.