Home / 471,818,486.40-707,727,729.60-265,194,225.60

Finding the Fourth Proportional to 471,818,486.40, 707,727,729.60 and 265,194,225.60

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Solution

The fourth proportional to 471,818,486.40, 707,727,729.60 and 265,194,225.60 is: 397,791,338.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,818,486.40 : 707,727,729.60 = 265,194,225.60 : x
  2. Step 2: Convert to fraction form
    471,818,486.40/707,727,729.60 = 265,194,225.60/x
  3. Step 3: Cross multiply
    471,818,486.40x = 707,727,729.60 × 265,194,225.60
  4. Step 4: Simplify right side
    471,818,486.40x = 187,685,307,186,918,208
  5. Step 5: Solve for x
    x = 187,685,307,186,918,208/471,818,486.40
  6. Step 6: Final answer
    x = 397,791,338.40

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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.