Home / 1,326,925,232.20-1,990,387,848.30-1,245,136,462.30

Finding the Fourth Proportional to 1,326,925,232.20, 1,990,387,848.30 and 1,245,136,462.30

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Solution

The fourth proportional to 1,326,925,232.20, 1,990,387,848.30 and 1,245,136,462.30 is: 1,867,704,693.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,925,232.20 : 1,990,387,848.30 = 1,245,136,462.30 : x
  2. Step 2: Convert to fraction form
    1,326,925,232.20/1,990,387,848.30 = 1,245,136,462.30/x
  3. Step 3: Cross multiply
    1,326,925,232.20x = 1,990,387,848.30 × 1,245,136,462.30
  4. Step 4: Simplify right side
    1,326,925,232.20x = 2,478,304,484,037,170,688
  5. Step 5: Solve for x
    x = 2,478,304,484,037,170,688/1,326,925,232.20
  6. Step 6: Final answer
    x = 1,867,704,693.45

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Half scale
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Double scale
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Similar ratio
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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.