Home / 1,913,892,722.40-2,872,182,776.40-824,157,861.60

Finding the Fourth Proportional to 1,913,892,722.40, 2,872,182,776.40 and 824,157,861.60

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Solution

The fourth proportional to 1,913,892,722.40, 2,872,182,776.40 and 824,157,861.60 is: 1,236,815,411.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,892,722.40 : 2,872,182,776.40 = 824,157,861.60 : x
  2. Step 2: Convert to fraction form
    1,913,892,722.40/2,872,182,776.40 = 824,157,861.60/x
  3. Step 3: Cross multiply
    1,913,892,722.40x = 2,872,182,776.40 × 824,157,861.60
  4. Step 4: Simplify right side
    1,913,892,722.40x = 2,367,132,015,122,174,976
  5. Step 5: Solve for x
    x = 2,367,132,015,122,174,976/1,913,892,722.40
  6. Step 6: Final answer
    x = 1,236,815,411.55

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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.