Home / 283,608,303.20-391,379,079.60-153,228,111.20

Finding the Fourth Proportional to 283,608,303.20, 391,379,079.60 and 153,228,111.20

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Solution

The fourth proportional to 283,608,303.20, 391,379,079.60 and 153,228,111.20 is: 211,454,588.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,608,303.20 : 391,379,079.60 = 153,228,111.20 : x
  2. Step 2: Convert to fraction form
    283,608,303.20/391,379,079.60 = 153,228,111.20/x
  3. Step 3: Cross multiply
    283,608,303.20x = 391,379,079.60 × 153,228,111.20
  4. Step 4: Simplify right side
    283,608,303.20x = 59,970,277,130,302,448
  5. Step 5: Solve for x
    x = 59,970,277,130,302,448/283,608,303.20
  6. Step 6: Final answer
    x = 211,454,588.79

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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.