Home / 2,156,543,999.60-3,234,815,999.40-1,430,352,690.80

Finding the Fourth Proportional to 2,156,543,999.60, 3,234,815,999.40 and 1,430,352,690.80

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Solution

The fourth proportional to 2,156,543,999.60, 3,234,815,999.40 and 1,430,352,690.80 is: 2,145,529,036.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,156,543,999.60 : 3,234,815,999.40 = 1,430,352,690.80 : x
  2. Step 2: Convert to fraction form
    2,156,543,999.60/3,234,815,999.40 = 1,430,352,690.80/x
  3. Step 3: Cross multiply
    2,156,543,999.60x = 3,234,815,999.40 × 1,430,352,690.80
  4. Step 4: Simplify right side
    2,156,543,999.60x = 4,626,927,768,984,681,472
  5. Step 5: Solve for x
    x = 4,626,927,768,984,681,472/2,156,543,999.60
  6. Step 6: Final answer
    x = 2,145,529,036.20

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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.