Home / 639,756,566,190.10-959,621,404,550.80-155,713,487,002.77

Finding the Fourth Proportional to 639,756,566,190.10, 959,621,404,550.80 and 155,713,487,002.77

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Solution

The fourth proportional to 639,756,566,190.10, 959,621,404,550.80 and 155,713,487,002.77 is: 233,566,958,124.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,756,566,190.10 : 959,621,404,550.80 = 155,713,487,002.77 : x
  2. Step 2: Convert to fraction form
    639,756,566,190.10/959,621,404,550.80 = 155,713,487,002.77/x
  3. Step 3: Cross multiply
    639,756,566,190.10x = 959,621,404,550.80 × 155,713,487,002.77
  4. Step 4: Simplify right side
    639,756,566,190.10x = 149,425,995,105,100,892,209,152
  5. Step 5: Solve for x
    x = 149,425,995,105,100,892,209,152/639,756,566,190.10
  6. Step 6: Final answer
    x = 233,566,958,124.35

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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.