Home / 1,080,698,178.60-1,491,364,761.54-585,660,887.10

Finding the Fourth Proportional to 1,080,698,178.60, 1,491,364,761.54 and 585,660,887.10

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Solution

The fourth proportional to 1,080,698,178.60, 1,491,364,761.54 and 585,660,887.10 is: 808,212,715.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,698,178.60 : 1,491,364,761.54 = 585,660,887.10 : x
  2. Step 2: Convert to fraction form
    1,080,698,178.60/1,491,364,761.54 = 585,660,887.10/x
  3. Step 3: Cross multiply
    1,080,698,178.60x = 1,491,364,761.54 × 585,660,887.10
  4. Step 4: Simplify right side
    1,080,698,178.60x = 873,434,009,233,196,416
  5. Step 5: Solve for x
    x = 873,434,009,233,196,416/1,080,698,178.60
  6. Step 6: Final answer
    x = 808,212,715.20

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Double scale
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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.