Home / 504,270,981.60-756,406,472.40-309,550,999.20

Finding the Fourth Proportional to 504,270,981.60, 756,406,472.40 and 309,550,999.20

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Solution

The fourth proportional to 504,270,981.60, 756,406,472.40 and 309,550,999.20 is: 464,326,498.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,270,981.60 : 756,406,472.40 = 309,550,999.20 : x
  2. Step 2: Convert to fraction form
    504,270,981.60/756,406,472.40 = 309,550,999.20/x
  3. Step 3: Cross multiply
    504,270,981.60x = 756,406,472.40 × 309,550,999.20
  4. Step 4: Simplify right side
    504,270,981.60x = 234,146,379,332,767,200
  5. Step 5: Solve for x
    x = 234,146,379,332,767,200/504,270,981.60
  6. Step 6: Final answer
    x = 464,326,498.80

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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.