Home / 1,258,265,815.72-1,737,151,675.98-1,118,650,950.60

Finding the Fourth Proportional to 1,258,265,815.72, 1,737,151,675.98 and 1,118,650,950.60

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Solution

The fourth proportional to 1,258,265,815.72, 1,737,151,675.98 and 1,118,650,950.60 is: 1,544,400,514.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,265,815.72 : 1,737,151,675.98 = 1,118,650,950.60 : x
  2. Step 2: Convert to fraction form
    1,258,265,815.72/1,737,151,675.98 = 1,118,650,950.60/x
  3. Step 3: Cross multiply
    1,258,265,815.72x = 1,737,151,675.98 × 1,118,650,950.60
  4. Step 4: Simplify right side
    1,258,265,815.72x = 1,943,266,373,671,409,920
  5. Step 5: Solve for x
    x = 1,943,266,373,671,409,920/1,258,265,815.72
  6. Step 6: Final answer
    x = 1,544,400,514.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.