Home / 853,708,151.75-1,178,026,550.36-472,169,557.67

Finding the Fourth Proportional to 853,708,151.75, 1,178,026,550.36 and 472,169,557.67

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Solution

The fourth proportional to 853,708,151.75, 1,178,026,550.36 and 472,169,557.67 is: 651,543,825.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,708,151.75 : 1,178,026,550.36 = 472,169,557.67 : x
  2. Step 2: Convert to fraction form
    853,708,151.75/1,178,026,550.36 = 472,169,557.67/x
  3. Step 3: Cross multiply
    853,708,151.75x = 1,178,026,550.36 × 472,169,557.67
  4. Step 4: Simplify right side
    853,708,151.75x = 556,228,275,200,540,416
  5. Step 5: Solve for x
    x = 556,228,275,200,540,416/853,708,151.75
  6. Step 6: Final answer
    x = 651,543,825.68

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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.