Home / 309,387,063,044.57-464,080,485,337.99-82,740,624,490.16

Finding the Fourth Proportional to 309,387,063,044.57, 464,080,485,337.99 and 82,740,624,490.16

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Solution

The fourth proportional to 309,387,063,044.57, 464,080,485,337.99 and 82,740,624,490.16 is: 124,110,907,523.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,387,063,044.57 : 464,080,485,337.99 = 82,740,624,490.16 : x
  2. Step 2: Convert to fraction form
    309,387,063,044.57/464,080,485,337.99 = 82,740,624,490.16/x
  3. Step 3: Cross multiply
    309,387,063,044.57x = 464,080,485,337.99 × 82,740,624,490.16
  4. Step 4: Simplify right side
    309,387,063,044.57x = 38,398,309,170,559,513,001,984
  5. Step 5: Solve for x
    x = 38,398,309,170,559,513,001,984/309,387,063,044.57
  6. Step 6: Final answer
    x = 124,110,907,523.72

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1.5x scale

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.