Home / 282,898,215,444.56-390,397,551,305.92-154,439,664,056.48

Finding the Fourth Proportional to 282,898,215,444.56, 390,397,551,305.92 and 154,439,664,056.48

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Solution

The fourth proportional to 282,898,215,444.56, 390,397,551,305.92 and 154,439,664,056.48 is: 213,125,652,197.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,898,215,444.56 : 390,397,551,305.92 = 154,439,664,056.48 : x
  2. Step 2: Convert to fraction form
    282,898,215,444.56/390,397,551,305.92 = 154,439,664,056.48/x
  3. Step 3: Cross multiply
    282,898,215,444.56x = 390,397,551,305.92 × 154,439,664,056.48
  4. Step 4: Simplify right side
    282,898,215,444.56x = 60,292,866,672,158,698,373,120
  5. Step 5: Solve for x
    x = 60,292,866,672,158,698,373,120/282,898,215,444.56
  6. Step 6: Final answer
    x = 213,125,652,197.60

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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.