Home / 935,156,657.76-1,290,515,345.44-527,873,112.80

Finding the Fourth Proportional to 935,156,657.76, 1,290,515,345.44 and 527,873,112.80

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Solution

The fourth proportional to 935,156,657.76, 1,290,515,345.44 and 527,873,112.80 is: 728,464,420.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,156,657.76 : 1,290,515,345.44 = 527,873,112.80 : x
  2. Step 2: Convert to fraction form
    935,156,657.76/1,290,515,345.44 = 527,873,112.80/x
  3. Step 3: Cross multiply
    935,156,657.76x = 1,290,515,345.44 × 527,873,112.80
  4. Step 4: Simplify right side
    935,156,657.76x = 681,228,352,510,647,296
  5. Step 5: Solve for x
    x = 681,228,352,510,647,296/935,156,657.76
  6. Step 6: Final answer
    x = 728,464,420.22

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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.