Home / 855,985,577.85-1,283,573,613.35-331,600,287.58

Finding the Fourth Proportional to 855,985,577.85, 1,283,573,613.35 and 331,600,287.58

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Solution

The fourth proportional to 855,985,577.85, 1,283,573,613.35 and 331,600,287.58 is: 497,243,633.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,985,577.85 : 1,283,573,613.35 = 331,600,287.58 : x
  2. Step 2: Convert to fraction form
    855,985,577.85/1,283,573,613.35 = 331,600,287.58/x
  3. Step 3: Cross multiply
    855,985,577.85x = 1,283,573,613.35 × 331,600,287.58
  4. Step 4: Simplify right side
    855,985,577.85x = 425,633,379,314,579,776
  5. Step 5: Solve for x
    x = 425,633,379,314,579,776/855,985,577.85
  6. Step 6: Final answer
    x = 497,243,633.92

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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.