Home / 799,398,514.80-1,201,113,311.40-508,405,042.80

Finding the Fourth Proportional to 799,398,514.80, 1,201,113,311.40 and 508,405,042.80

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Solution

The fourth proportional to 799,398,514.80, 1,201,113,311.40 and 508,405,042.80 is: 763,889,415.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,398,514.80 : 1,201,113,311.40 = 508,405,042.80 : x
  2. Step 2: Convert to fraction form
    799,398,514.80/1,201,113,311.40 = 508,405,042.80/x
  3. Step 3: Cross multiply
    799,398,514.80x = 1,201,113,311.40 × 508,405,042.80
  4. Step 4: Simplify right side
    799,398,514.80x = 610,652,064,489,966,848
  5. Step 5: Solve for x
    x = 610,652,064,489,966,848/799,398,514.80
  6. Step 6: Final answer
    x = 763,889,415.84

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1.5x scale

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.