Home / 6,853,241,929.78-9,455,213,151.64-4,139,495,738.76

Finding the Fourth Proportional to 6,853,241,929.78, 9,455,213,151.64 and 4,139,495,738.76

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Solution

The fourth proportional to 6,853,241,929.78, 9,455,213,151.64 and 4,139,495,738.76 is: 5,711,138,604.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,853,241,929.78 : 9,455,213,151.64 = 4,139,495,738.76 : x
  2. Step 2: Convert to fraction form
    6,853,241,929.78/9,455,213,151.64 = 4,139,495,738.76/x
  3. Step 3: Cross multiply
    6,853,241,929.78x = 9,455,213,151.64 × 4,139,495,738.76
  4. Step 4: Simplify right side
    6,853,241,929.78x = 39,139,814,550,281,289,728
  5. Step 5: Solve for x
    x = 39,139,814,550,281,289,728/6,853,241,929.78
  6. Step 6: Final answer
    x = 5,711,138,604.37

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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.