Home / 770,748,124.32-1,063,632,929.72-418,324,120.04

Finding the Fourth Proportional to 770,748,124.32, 1,063,632,929.72 and 418,324,120.04

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Solution

The fourth proportional to 770,748,124.32, 1,063,632,929.72 and 418,324,120.04 is: 577,287,566.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,748,124.32 : 1,063,632,929.72 = 418,324,120.04 : x
  2. Step 2: Convert to fraction form
    770,748,124.32/1,063,632,929.72 = 418,324,120.04/x
  3. Step 3: Cross multiply
    770,748,124.32x = 1,063,632,929.72 × 418,324,120.04
  4. Step 4: Simplify right side
    770,748,124.32x = 444,943,309,370,686,208
  5. Step 5: Solve for x
    x = 444,943,309,370,686,208/770,748,124.32
  6. Step 6: Final answer
    x = 577,287,566.89

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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.