Home / 2,939,328,085.60-4,408,992,128.40-2,640,020,514.40

Finding the Fourth Proportional to 2,939,328,085.60, 4,408,992,128.40 and 2,640,020,514.40

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Solution

The fourth proportional to 2,939,328,085.60, 4,408,992,128.40 and 2,640,020,514.40 is: 3,960,030,771.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,939,328,085.60 : 4,408,992,128.40 = 2,640,020,514.40 : x
  2. Step 2: Convert to fraction form
    2,939,328,085.60/4,408,992,128.40 = 2,640,020,514.40/x
  3. Step 3: Cross multiply
    2,939,328,085.60x = 4,408,992,128.40 × 2,640,020,514.40
  4. Step 4: Simplify right side
    2,939,328,085.60x = 11,639,829,666,804,117,504
  5. Step 5: Solve for x
    x = 11,639,829,666,804,117,504/2,939,328,085.60
  6. Step 6: Final answer
    x = 3,960,030,771.60

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1.5x scale

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.