Home / 935,080,491.20-1,402,620,736.80-390,213,060.80

Finding the Fourth Proportional to 935,080,491.20, 1,402,620,736.80 and 390,213,060.80

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Solution

The fourth proportional to 935,080,491.20, 1,402,620,736.80 and 390,213,060.80 is: 585,319,591.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,080,491.20 : 1,402,620,736.80 = 390,213,060.80 : x
  2. Step 2: Convert to fraction form
    935,080,491.20/1,402,620,736.80 = 390,213,060.80/x
  3. Step 3: Cross multiply
    935,080,491.20x = 1,402,620,736.80 × 390,213,060.80
  4. Step 4: Simplify right side
    935,080,491.20x = 547,320,930,848,279,168
  5. Step 5: Solve for x
    x = 547,320,930,848,279,168/935,080,491.20
  6. Step 6: Final answer
    x = 585,319,591.20

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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.