Home / 5,128,259,024.43-7,077,218,633.85-2,839,391,214.45

Finding the Fourth Proportional to 5,128,259,024.43, 7,077,218,633.85 and 2,839,391,214.45

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Solution

The fourth proportional to 5,128,259,024.43, 7,077,218,633.85 and 2,839,391,214.45 is: 3,918,482,337.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,128,259,024.43 : 7,077,218,633.85 = 2,839,391,214.45 : x
  2. Step 2: Convert to fraction form
    5,128,259,024.43/7,077,218,633.85 = 2,839,391,214.45/x
  3. Step 3: Cross multiply
    5,128,259,024.43x = 7,077,218,633.85 × 2,839,391,214.45
  4. Step 4: Simplify right side
    5,128,259,024.43x = 20,094,992,411,695,521,792
  5. Step 5: Solve for x
    x = 20,094,992,411,695,521,792/5,128,259,024.43
  6. Step 6: Final answer
    x = 3,918,482,337.96

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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.