Home / 1,279,411,628.75-1,919,117,443.13-310,063,244.75

Finding the Fourth Proportional to 1,279,411,628.75, 1,919,117,443.13 and 310,063,244.75

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Solution

The fourth proportional to 1,279,411,628.75, 1,919,117,443.13 and 310,063,244.75 is: 465,094,867.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,411,628.75 : 1,919,117,443.13 = 310,063,244.75 : x
  2. Step 2: Convert to fraction form
    1,279,411,628.75/1,919,117,443.13 = 310,063,244.75/x
  3. Step 3: Cross multiply
    1,279,411,628.75x = 1,919,117,443.13 × 310,063,244.75
  4. Step 4: Simplify right side
    1,279,411,628.75x = 595,047,781,473,211,392
  5. Step 5: Solve for x
    x = 595,047,781,473,211,392/1,279,411,628.75
  6. Step 6: Final answer
    x = 465,094,867.13

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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.