Home / 7,269,043,123.85-10,031,279,530.22-3,927,541,406.22

Finding the Fourth Proportional to 7,269,043,123.85, 10,031,279,530.22 and 3,927,541,406.22

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Solution

The fourth proportional to 7,269,043,123.85, 10,031,279,530.22 and 3,927,541,406.22 is: 5,420,007,151.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,269,043,123.85 : 10,031,279,530.22 = 3,927,541,406.22 : x
  2. Step 2: Convert to fraction form
    7,269,043,123.85/10,031,279,530.22 = 3,927,541,406.22/x
  3. Step 3: Cross multiply
    7,269,043,123.85x = 10,031,279,530.22 × 3,927,541,406.22
  4. Step 4: Simplify right side
    7,269,043,123.85x = 39,398,265,712,306,151,424
  5. Step 5: Solve for x
    x = 39,398,265,712,306,151,424/7,269,043,123.85
  6. Step 6: Final answer
    x = 5,420,007,151.02

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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.