Home / 555,236,361.95-827,890,587.05-539,981,680.19

Finding the Fourth Proportional to 555,236,361.95, 827,890,587.05 and 539,981,680.19

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Solution

The fourth proportional to 555,236,361.95, 827,890,587.05 and 539,981,680.19 is: 805,144,945.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,236,361.95 : 827,890,587.05 = 539,981,680.19 : x
  2. Step 2: Convert to fraction form
    555,236,361.95/827,890,587.05 = 539,981,680.19/x
  3. Step 3: Cross multiply
    555,236,361.95x = 827,890,587.05 × 539,981,680.19
  4. Step 4: Simplify right side
    555,236,361.95x = 447,045,750,201,905,024
  5. Step 5: Solve for x
    x = 447,045,750,201,905,024/555,236,361.95
  6. Step 6: Final answer
    x = 805,144,945.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.