Home / 448,404,815.40-672,607,223.10-125,288,687.40

Finding the Fourth Proportional to 448,404,815.40, 672,607,223.10 and 125,288,687.40

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Solution

The fourth proportional to 448,404,815.40, 672,607,223.10 and 125,288,687.40 is: 187,933,031.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,404,815.40 : 672,607,223.10 = 125,288,687.40 : x
  2. Step 2: Convert to fraction form
    448,404,815.40/672,607,223.10 = 125,288,687.40/x
  3. Step 3: Cross multiply
    448,404,815.40x = 672,607,223.10 × 125,288,687.40
  4. Step 4: Simplify right side
    448,404,815.40x = 84,270,076,117,957,968
  5. Step 5: Solve for x
    x = 84,270,076,117,957,968/448,404,815.40
  6. Step 6: Final answer
    x = 187,933,031.10

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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.