Home / 2,519,429,909.70-3,779,144,864.55-1,907,209,877.70

Finding the Fourth Proportional to 2,519,429,909.70, 3,779,144,864.55 and 1,907,209,877.70

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Solution

The fourth proportional to 2,519,429,909.70, 3,779,144,864.55 and 1,907,209,877.70 is: 2,860,814,816.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,519,429,909.70 : 3,779,144,864.55 = 1,907,209,877.70 : x
  2. Step 2: Convert to fraction form
    2,519,429,909.70/3,779,144,864.55 = 1,907,209,877.70/x
  3. Step 3: Cross multiply
    2,519,429,909.70x = 3,779,144,864.55 × 1,907,209,877.70
  4. Step 4: Simplify right side
    2,519,429,909.70x = 7,207,622,414,928,989,184
  5. Step 5: Solve for x
    x = 7,207,622,414,928,989,184/2,519,429,909.70
  6. Step 6: Final answer
    x = 2,860,814,816.55

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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.