Home / 847,311,279.39-1,169,259,742.53-465,830,536.86

Finding the Fourth Proportional to 847,311,279.39, 1,169,259,742.53 and 465,830,536.86

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Solution

The fourth proportional to 847,311,279.39, 1,169,259,742.53 and 465,830,536.86 is: 642,829,744.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,311,279.39 : 1,169,259,742.53 = 465,830,536.86 : x
  2. Step 2: Convert to fraction form
    847,311,279.39/1,169,259,742.53 = 465,830,536.86/x
  3. Step 3: Cross multiply
    847,311,279.39x = 1,169,259,742.53 × 465,830,536.86
  4. Step 4: Simplify right side
    847,311,279.39x = 544,676,893,591,535,296
  5. Step 5: Solve for x
    x = 544,676,893,591,535,296/847,311,279.39
  6. Step 6: Final answer
    x = 642,829,744.91

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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.