Home / 874,874,693.52-1,206,758,242.44-561,111,927.12

Finding the Fourth Proportional to 874,874,693.52, 1,206,758,242.44 and 561,111,927.12

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Solution

The fourth proportional to 874,874,693.52, 1,206,758,242.44 and 561,111,927.12 is: 773,969,630.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,874,693.52 : 1,206,758,242.44 = 561,111,927.12 : x
  2. Step 2: Convert to fraction form
    874,874,693.52/1,206,758,242.44 = 561,111,927.12/x
  3. Step 3: Cross multiply
    874,874,693.52x = 1,206,758,242.44 × 561,111,927.12
  4. Step 4: Simplify right side
    874,874,693.52x = 677,126,442,983,452,672
  5. Step 5: Solve for x
    x = 677,126,442,983,452,672/874,874,693.52
  6. Step 6: Final answer
    x = 773,969,630.16

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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.