Home / 912,448,004.40-1,368,672,006.60-298,884,279.60

Finding the Fourth Proportional to 912,448,004.40, 1,368,672,006.60 and 298,884,279.60

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Solution

The fourth proportional to 912,448,004.40, 1,368,672,006.60 and 298,884,279.60 is: 448,326,419.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,448,004.40 : 1,368,672,006.60 = 298,884,279.60 : x
  2. Step 2: Convert to fraction form
    912,448,004.40/1,368,672,006.60 = 298,884,279.60/x
  3. Step 3: Cross multiply
    912,448,004.40x = 1,368,672,006.60 × 298,884,279.60
  4. Step 4: Simplify right side
    912,448,004.40x = 409,074,546,701,327,424
  5. Step 5: Solve for x
    x = 409,074,546,701,327,424/912,448,004.40
  6. Step 6: Final answer
    x = 448,326,419.40

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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.