Home / 545,088,015.60-817,632,023.40-315,505,503.60

Finding the Fourth Proportional to 545,088,015.60, 817,632,023.40 and 315,505,503.60

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Solution

The fourth proportional to 545,088,015.60, 817,632,023.40 and 315,505,503.60 is: 473,258,255.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,088,015.60 : 817,632,023.40 = 315,505,503.60 : x
  2. Step 2: Convert to fraction form
    545,088,015.60/817,632,023.40 = 315,505,503.60/x
  3. Step 3: Cross multiply
    545,088,015.60x = 817,632,023.40 × 315,505,503.60
  4. Step 4: Simplify right side
    545,088,015.60x = 257,967,403,302,304,000
  5. Step 5: Solve for x
    x = 257,967,403,302,304,000/545,088,015.60
  6. Step 6: Final answer
    x = 473,258,255.40

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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.