Home / 1,477,489,912.74-2,038,934,997.57-808,439,350.86

Finding the Fourth Proportional to 1,477,489,912.74, 2,038,934,997.57 and 808,439,350.86

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Solution

The fourth proportional to 1,477,489,912.74, 2,038,934,997.57 and 808,439,350.86 is: 1,115,645,712.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,477,489,912.74 : 2,038,934,997.57 = 808,439,350.86 : x
  2. Step 2: Convert to fraction form
    1,477,489,912.74/2,038,934,997.57 = 808,439,350.86/x
  3. Step 3: Cross multiply
    1,477,489,912.74x = 2,038,934,997.57 × 808,439,350.86
  4. Step 4: Simplify right side
    1,477,489,912.74x = 1,648,355,285,881,226,496
  5. Step 5: Solve for x
    x = 1,648,355,285,881,226,496/1,477,489,912.74
  6. Step 6: Final answer
    x = 1,115,645,712.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.