Home / 1,450,290,432.40-2,175,435,648.60-480,816,077.20

Finding the Fourth Proportional to 1,450,290,432.40, 2,175,435,648.60 and 480,816,077.20

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Solution

The fourth proportional to 1,450,290,432.40, 2,175,435,648.60 and 480,816,077.20 is: 721,224,115.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,450,290,432.40 : 2,175,435,648.60 = 480,816,077.20 : x
  2. Step 2: Convert to fraction form
    1,450,290,432.40/2,175,435,648.60 = 480,816,077.20/x
  3. Step 3: Cross multiply
    1,450,290,432.40x = 2,175,435,648.60 × 480,816,077.20
  4. Step 4: Simplify right side
    1,450,290,432.40x = 1,045,984,434,760,889,600
  5. Step 5: Solve for x
    x = 1,045,984,434,760,889,600/1,450,290,432.40
  6. Step 6: Final answer
    x = 721,224,115.80

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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.