Home / 745,541,327,645.40-1,028,872,417,730.40-432,657,486,990.80

Finding the Fourth Proportional to 745,541,327,645.40, 1,028,872,417,730.40 and 432,657,486,990.80

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Solution

The fourth proportional to 745,541,327,645.40, 1,028,872,417,730.40 and 432,657,486,990.80 is: 597,082,063,975.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,541,327,645.40 : 1,028,872,417,730.40 = 432,657,486,990.80 : x
  2. Step 2: Convert to fraction form
    745,541,327,645.40/1,028,872,417,730.40 = 432,657,486,990.80/x
  3. Step 3: Cross multiply
    745,541,327,645.40x = 1,028,872,417,730.40 × 432,657,486,990.80
  4. Step 4: Simplify right side
    745,541,327,645.40x = 445,149,354,689,383,458,930,688
  5. Step 5: Solve for x
    x = 445,149,354,689,383,458,930,688/745,541,327,645.40
  6. Step 6: Final answer
    x = 597,082,063,975.28

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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.