Home / 886,467,950.40-1,329,701,925.60-519,135,931.20

Finding the Fourth Proportional to 886,467,950.40, 1,329,701,925.60 and 519,135,931.20

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Solution

The fourth proportional to 886,467,950.40, 1,329,701,925.60 and 519,135,931.20 is: 778,703,896.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,467,950.40 : 1,329,701,925.60 = 519,135,931.20 : x
  2. Step 2: Convert to fraction form
    886,467,950.40/1,329,701,925.60 = 519,135,931.20/x
  3. Step 3: Cross multiply
    886,467,950.40x = 1,329,701,925.60 × 519,135,931.20
  4. Step 4: Simplify right side
    886,467,950.40x = 690,296,047,364,788,992
  5. Step 5: Solve for x
    x = 690,296,047,364,788,992/886,467,950.40
  6. Step 6: Final answer
    x = 778,703,896.80

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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.