Home / 836,068,739.76-1,153,808,105.61-459,756,179.58

Finding the Fourth Proportional to 836,068,739.76, 1,153,808,105.61 and 459,756,179.58

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Solution

The fourth proportional to 836,068,739.76, 1,153,808,105.61 and 459,756,179.58 is: 634,481,809.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,068,739.76 : 1,153,808,105.61 = 459,756,179.58 : x
  2. Step 2: Convert to fraction form
    836,068,739.76/1,153,808,105.61 = 459,756,179.58/x
  3. Step 3: Cross multiply
    836,068,739.76x = 1,153,808,105.61 × 459,756,179.58
  4. Step 4: Simplify right side
    836,068,739.76x = 530,470,406,603,690,688
  5. Step 5: Solve for x
    x = 530,470,406,603,690,688/836,068,739.76
  6. Step 6: Final answer
    x = 634,481,809.18

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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.