Home / 839,808,346.56-1,158,933,807.36-468,508,234.56

Finding the Fourth Proportional to 839,808,346.56, 1,158,933,807.36 and 468,508,234.56

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Solution

The fourth proportional to 839,808,346.56, 1,158,933,807.36 and 468,508,234.56 is: 646,540,409.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,808,346.56 : 1,158,933,807.36 = 468,508,234.56 : x
  2. Step 2: Convert to fraction form
    839,808,346.56/1,158,933,807.36 = 468,508,234.56/x
  3. Step 3: Cross multiply
    839,808,346.56x = 1,158,933,807.36 × 468,508,234.56
  4. Step 4: Simplify right side
    839,808,346.56x = 542,970,032,058,132,672
  5. Step 5: Solve for x
    x = 542,970,032,058,132,672/839,808,346.56
  6. Step 6: Final answer
    x = 646,540,409.23

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Double scale
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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.