Home / 1,488,860,999.70-2,233,375,480.35-453,755,649.30

Finding the Fourth Proportional to 1,488,860,999.70, 2,233,375,480.35 and 453,755,649.30

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Solution

The fourth proportional to 1,488,860,999.70, 2,233,375,480.35 and 453,755,649.30 is: 680,659,068.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,860,999.70 : 2,233,375,480.35 = 453,755,649.30 : x
  2. Step 2: Convert to fraction form
    1,488,860,999.70/2,233,375,480.35 = 453,755,649.30/x
  3. Step 3: Cross multiply
    1,488,860,999.70x = 2,233,375,480.35 × 453,755,649.30
  4. Step 4: Simplify right side
    1,488,860,999.70x = 1,013,406,741,216,913,664
  5. Step 5: Solve for x
    x = 1,013,406,741,216,913,664/1,488,860,999.70
  6. Step 6: Final answer
    x = 680,659,068.52

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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.