Home / 463,574,016,076.40-695,361,024,114.55-389,189,282,188.40

Finding the Fourth Proportional to 463,574,016,076.40, 695,361,024,114.55 and 389,189,282,188.40

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Solution

The fourth proportional to 463,574,016,076.40, 695,361,024,114.55 and 389,189,282,188.40 is: 583,783,923,282.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,574,016,076.40 : 695,361,024,114.55 = 389,189,282,188.40 : x
  2. Step 2: Convert to fraction form
    463,574,016,076.40/695,361,024,114.55 = 389,189,282,188.40/x
  3. Step 3: Cross multiply
    463,574,016,076.40x = 695,361,024,114.55 × 389,189,282,188.40
  4. Step 4: Simplify right side
    463,574,016,076.40x = 270,627,057,836,932,445,765,632
  5. Step 5: Solve for x
    x = 270,627,057,836,932,445,765,632/463,574,016,076.40
  6. Step 6: Final answer
    x = 583,783,923,282.56

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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.