Home / 2,519,429,885.20-3,779,144,827.80-1,907,209,853.20

Finding the Fourth Proportional to 2,519,429,885.20, 3,779,144,827.80 and 1,907,209,853.20

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Solution

The fourth proportional to 2,519,429,885.20, 3,779,144,827.80 and 1,907,209,853.20 is: 2,860,814,779.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,519,429,885.20 : 3,779,144,827.80 = 1,907,209,853.20 : x
  2. Step 2: Convert to fraction form
    2,519,429,885.20/3,779,144,827.80 = 1,907,209,853.20/x
  3. Step 3: Cross multiply
    2,519,429,885.20x = 3,779,144,827.80 × 1,907,209,853.20
  4. Step 4: Simplify right side
    2,519,429,885.20x = 7,207,622,252,249,977,856
  5. Step 5: Solve for x
    x = 7,207,622,252,249,977,856/2,519,429,885.20
  6. Step 6: Final answer
    x = 2,860,814,779.80

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Double scale
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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.