Home / 387,074,472.90-580,611,709.35-144,705,884.10

Finding the Fourth Proportional to 387,074,472.90, 580,611,709.35 and 144,705,884.10

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Solution

The fourth proportional to 387,074,472.90, 580,611,709.35 and 144,705,884.10 is: 217,058,826.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,074,472.90 : 580,611,709.35 = 144,705,884.10 : x
  2. Step 2: Convert to fraction form
    387,074,472.90/580,611,709.35 = 144,705,884.10/x
  3. Step 3: Cross multiply
    387,074,472.90x = 580,611,709.35 × 144,705,884.10
  4. Step 4: Simplify right side
    387,074,472.90x = 84,017,930,720,303,984
  5. Step 5: Solve for x
    x = 84,017,930,720,303,984/387,074,472.90
  6. Step 6: Final answer
    x = 217,058,826.15

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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.