Home / 42,550,290,429.20-63,825,435,643.80-28,346,785,686.80

Finding the Fourth Proportional to 42,550,290,429.20, 63,825,435,643.80 and 28,346,785,686.80

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Solution

The fourth proportional to 42,550,290,429.20, 63,825,435,643.80 and 28,346,785,686.80 is: 42,520,178,530.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,550,290,429.20 : 63,825,435,643.80 = 28,346,785,686.80 : x
  2. Step 2: Convert to fraction form
    42,550,290,429.20/63,825,435,643.80 = 28,346,785,686.80/x
  3. Step 3: Cross multiply
    42,550,290,429.20x = 63,825,435,643.80 × 28,346,785,686.80
  4. Step 4: Simplify right side
    42,550,290,429.20x = 1,809,245,945,561,444,515,840
  5. Step 5: Solve for x
    x = 1,809,245,945,561,444,515,840/42,550,290,429.20
  6. Step 6: Final answer
    x = 42,520,178,530.20

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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.