Home / 1,362,890,877.40-2,044,336,316.10-442,860,218.20

Finding the Fourth Proportional to 1,362,890,877.40, 2,044,336,316.10 and 442,860,218.20

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Solution

The fourth proportional to 1,362,890,877.40, 2,044,336,316.10 and 442,860,218.20 is: 664,290,327.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,890,877.40 : 2,044,336,316.10 = 442,860,218.20 : x
  2. Step 2: Convert to fraction form
    1,362,890,877.40/2,044,336,316.10 = 442,860,218.20/x
  3. Step 3: Cross multiply
    1,362,890,877.40x = 2,044,336,316.10 × 442,860,218.20
  4. Step 4: Simplify right side
    1,362,890,877.40x = 905,355,227,022,230,144
  5. Step 5: Solve for x
    x = 905,355,227,022,230,144/1,362,890,877.40
  6. Step 6: Final answer
    x = 664,290,327.30

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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.