Home / 909,590,867.10-1,364,386,431.60-219,498,123.60

Finding the Fourth Proportional to 909,590,867.10, 1,364,386,431.60 and 219,498,123.60

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Solution

The fourth proportional to 909,590,867.10, 1,364,386,431.60 and 219,498,123.60 is: 329,247,217.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,590,867.10 : 1,364,386,431.60 = 219,498,123.60 : x
  2. Step 2: Convert to fraction form
    909,590,867.10/1,364,386,431.60 = 219,498,123.60/x
  3. Step 3: Cross multiply
    909,590,867.10x = 1,364,386,431.60 × 219,498,123.60
  4. Step 4: Simplify right side
    909,590,867.10x = 299,480,261,601,499,712
  5. Step 5: Solve for x
    x = 299,480,261,601,499,712/909,590,867.10
  6. Step 6: Final answer
    x = 329,247,217.00

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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.