Home / 794,311,689.60-1,191,467,534.40-212,044,809.60

Finding the Fourth Proportional to 794,311,689.60, 1,191,467,534.40 and 212,044,809.60

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Solution

The fourth proportional to 794,311,689.60, 1,191,467,534.40 and 212,044,809.60 is: 318,067,214.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    794,311,689.60 : 1,191,467,534.40 = 212,044,809.60 : x
  2. Step 2: Convert to fraction form
    794,311,689.60/1,191,467,534.40 = 212,044,809.60/x
  3. Step 3: Cross multiply
    794,311,689.60x = 1,191,467,534.40 × 212,044,809.60
  4. Step 4: Simplify right side
    794,311,689.60x = 252,644,506,476,429,472
  5. Step 5: Solve for x
    x = 252,644,506,476,429,472/794,311,689.60
  6. Step 6: Final answer
    x = 318,067,214.40

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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.