Home / 497,480,249.40-745,940,438.10-190,782,367.80

Finding the Fourth Proportional to 497,480,249.40, 745,940,438.10 and 190,782,367.80

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Solution

The fourth proportional to 497,480,249.40, 745,940,438.10 and 190,782,367.80 is: 286,066,196.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,480,249.40 : 745,940,438.10 = 190,782,367.80 : x
  2. Step 2: Convert to fraction form
    497,480,249.40/745,940,438.10 = 190,782,367.80/x
  3. Step 3: Cross multiply
    497,480,249.40x = 745,940,438.10 × 190,782,367.80
  4. Step 4: Simplify right side
    497,480,249.40x = 142,312,283,018,487,344
  5. Step 5: Solve for x
    x = 142,312,283,018,487,344/497,480,249.40
  6. Step 6: Final answer
    x = 286,066,196.98

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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.