Home / 934,058,664.30-1,289,027,861.62-516,397,853.72

Finding the Fourth Proportional to 934,058,664.30, 1,289,027,861.62 and 516,397,853.72

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Solution

The fourth proportional to 934,058,664.30, 1,289,027,861.62 and 516,397,853.72 is: 712,643,912.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,058,664.30 : 1,289,027,861.62 = 516,397,853.72 : x
  2. Step 2: Convert to fraction form
    934,058,664.30/1,289,027,861.62 = 516,397,853.72/x
  3. Step 3: Cross multiply
    934,058,664.30x = 1,289,027,861.62 × 516,397,853.72
  4. Step 4: Simplify right side
    934,058,664.30x = 665,651,221,125,849,088
  5. Step 5: Solve for x
    x = 665,651,221,125,849,088/934,058,664.30
  6. Step 6: Final answer
    x = 712,643,912.60

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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.