Home / 581,986,657.22-872,971,763.51-270,920,289.62

Finding the Fourth Proportional to 581,986,657.22, 872,971,763.51 and 270,920,289.62

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Solution

The fourth proportional to 581,986,657.22, 872,971,763.51 and 270,920,289.62 is: 406,376,606.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,986,657.22 : 872,971,763.51 = 270,920,289.62 : x
  2. Step 2: Convert to fraction form
    581,986,657.22/872,971,763.51 = 270,920,289.62/x
  3. Step 3: Cross multiply
    581,986,657.22x = 872,971,763.51 × 270,920,289.62
  4. Step 4: Simplify right side
    581,986,657.22x = 236,505,763,003,071,104
  5. Step 5: Solve for x
    x = 236,505,763,003,071,104/581,986,657.22
  6. Step 6: Final answer
    x = 406,376,606.87

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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.