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Finding the Fourth Proportional to 1,000,720,570.04, 1,380,992,002.99 and 548,597,734.34

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Solution

The fourth proportional to 1,000,720,570.04, 1,380,992,002.99 and 548,597,734.34 is: 757,063,566.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,720,570.04 : 1,380,992,002.99 = 548,597,734.34 : x
  2. Step 2: Convert to fraction form
    1,000,720,570.04/1,380,992,002.99 = 548,597,734.34/x
  3. Step 3: Cross multiply
    1,000,720,570.04x = 1,380,992,002.99 × 548,597,734.34
  4. Step 4: Simplify right side
    1,000,720,570.04x = 757,609,083,973,696,128
  5. Step 5: Solve for x
    x = 757,609,083,973,696,128/1,000,720,570.04
  6. Step 6: Final answer
    x = 757,063,566.65

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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.