Home / 397,602,408.80-596,403,613.20-106,514,458.40

Finding the Fourth Proportional to 397,602,408.80, 596,403,613.20 and 106,514,458.40

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Solution

The fourth proportional to 397,602,408.80, 596,403,613.20 and 106,514,458.40 is: 159,771,687.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,602,408.80 : 596,403,613.20 = 106,514,458.40 : x
  2. Step 2: Convert to fraction form
    397,602,408.80/596,403,613.20 = 106,514,458.40/x
  3. Step 3: Cross multiply
    397,602,408.80x = 596,403,613.20 × 106,514,458.40
  4. Step 4: Simplify right side
    397,602,408.80x = 63,525,607,847,801,096
  5. Step 5: Solve for x
    x = 63,525,607,847,801,096/397,602,408.80
  6. Step 6: Final answer
    x = 159,771,687.60

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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.