Home / 835,731,147.36-1,152,951,234.48-521,920,558.56

Finding the Fourth Proportional to 835,731,147.36, 1,152,951,234.48 and 521,920,558.56

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Solution

The fourth proportional to 835,731,147.36, 1,152,951,234.48 and 521,920,558.56 is: 720,026,953.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,731,147.36 : 1,152,951,234.48 = 521,920,558.56 : x
  2. Step 2: Convert to fraction form
    835,731,147.36/1,152,951,234.48 = 521,920,558.56/x
  3. Step 3: Cross multiply
    835,731,147.36x = 1,152,951,234.48 × 521,920,558.56
  4. Step 4: Simplify right side
    835,731,147.36x = 601,748,952,292,243,200
  5. Step 5: Solve for x
    x = 601,748,952,292,243,200/835,731,147.36
  6. Step 6: Final answer
    x = 720,026,953.88

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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.