Home / 553,582,202.40-830,383,145.10-165,409,822.80

Finding the Fourth Proportional to 553,582,202.40, 830,383,145.10 and 165,409,822.80

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Solution

The fourth proportional to 553,582,202.40, 830,383,145.10 and 165,409,822.80 is: 248,117,674.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,582,202.40 : 830,383,145.10 = 165,409,822.80 : x
  2. Step 2: Convert to fraction form
    553,582,202.40/830,383,145.10 = 165,409,822.80/x
  3. Step 3: Cross multiply
    553,582,202.40x = 830,383,145.10 × 165,409,822.80
  4. Step 4: Simplify right side
    553,582,202.40x = 137,353,528,887,097,696
  5. Step 5: Solve for x
    x = 137,353,528,887,097,696/553,582,202.40
  6. Step 6: Final answer
    x = 248,117,674.83

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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.