Home / 697,982,326.56-963,158,973.12-404,645,790.24

Finding the Fourth Proportional to 697,982,326.56, 963,158,973.12 and 404,645,790.24

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Solution

The fourth proportional to 697,982,326.56, 963,158,973.12 and 404,645,790.24 is: 558,378,355.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,982,326.56 : 963,158,973.12 = 404,645,790.24 : x
  2. Step 2: Convert to fraction form
    697,982,326.56/963,158,973.12 = 404,645,790.24/x
  3. Step 3: Cross multiply
    697,982,326.56x = 963,158,973.12 × 404,645,790.24
  4. Step 4: Simplify right side
    697,982,326.56x = 389,738,223,804,889,344
  5. Step 5: Solve for x
    x = 389,738,223,804,889,344/697,982,326.56
  6. Step 6: Final answer
    x = 558,378,355.69

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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.