Home / 999,472,021.20-1,499,208,031.80-590,317,563.60

Finding the Fourth Proportional to 999,472,021.20, 1,499,208,031.80 and 590,317,563.60

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Solution

The fourth proportional to 999,472,021.20, 1,499,208,031.80 and 590,317,563.60 is: 885,476,345.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,472,021.20 : 1,499,208,031.80 = 590,317,563.60 : x
  2. Step 2: Convert to fraction form
    999,472,021.20/1,499,208,031.80 = 590,317,563.60/x
  3. Step 3: Cross multiply
    999,472,021.20x = 1,499,208,031.80 × 590,317,563.60
  4. Step 4: Simplify right side
    999,472,021.20x = 885,008,832,661,727,360
  5. Step 5: Solve for x
    x = 885,008,832,661,727,360/999,472,021.20
  6. Step 6: Final answer
    x = 885,476,345.40

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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.