Home / 935,082,057.20-1,402,623,085.80-390,214,626.80

Finding the Fourth Proportional to 935,082,057.20, 1,402,623,085.80 and 390,214,626.80

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Solution

The fourth proportional to 935,082,057.20, 1,402,623,085.80 and 390,214,626.80 is: 585,321,940.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,082,057.20 : 1,402,623,085.80 = 390,214,626.80 : x
  2. Step 2: Convert to fraction form
    935,082,057.20/1,402,623,085.80 = 390,214,626.80/x
  3. Step 3: Cross multiply
    935,082,057.20x = 1,402,623,085.80 × 390,214,626.80
  4. Step 4: Simplify right side
    935,082,057.20x = 547,324,043,966,511,360
  5. Step 5: Solve for x
    x = 547,324,043,966,511,360/935,082,057.20
  6. Step 6: Final answer
    x = 585,321,940.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.