Home / 497,480,246.40-745,940,433.60-190,782,364.80

Finding the Fourth Proportional to 497,480,246.40, 745,940,433.60 and 190,782,364.80

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Solution

The fourth proportional to 497,480,246.40, 745,940,433.60 and 190,782,364.80 is: 286,066,192.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,480,246.40 : 745,940,433.60 = 190,782,364.80 : x
  2. Step 2: Convert to fraction form
    497,480,246.40/745,940,433.60 = 190,782,364.80/x
  3. Step 3: Cross multiply
    497,480,246.40x = 745,940,433.60 × 190,782,364.80
  4. Step 4: Simplify right side
    497,480,246.40x = 142,312,279,922,145,392
  5. Step 5: Solve for x
    x = 142,312,279,922,145,392/497,480,246.40
  6. Step 6: Final answer
    x = 286,066,192.48

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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.