Home / 1,539,648,001.20-2,309,472,001.80-1,383,779,636.40

Finding the Fourth Proportional to 1,539,648,001.20, 2,309,472,001.80 and 1,383,779,636.40

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Solution

The fourth proportional to 1,539,648,001.20, 2,309,472,001.80 and 1,383,779,636.40 is: 2,075,669,454.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,648,001.20 : 2,309,472,001.80 = 1,383,779,636.40 : x
  2. Step 2: Convert to fraction form
    1,539,648,001.20/2,309,472,001.80 = 1,383,779,636.40/x
  3. Step 3: Cross multiply
    1,539,648,001.20x = 2,309,472,001.80 × 1,383,779,636.40
  4. Step 4: Simplify right side
    1,539,648,001.20x = 3,195,800,326,926,784,512
  5. Step 5: Solve for x
    x = 3,195,800,326,926,784,512/1,539,648,001.20
  6. Step 6: Final answer
    x = 2,075,669,454.60

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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.