Home / 789,504,027.60-1,184,256,041.40-512,404,712.40

Finding the Fourth Proportional to 789,504,027.60, 1,184,256,041.40 and 512,404,712.40

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Solution

The fourth proportional to 789,504,027.60, 1,184,256,041.40 and 512,404,712.40 is: 768,607,068.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,504,027.60 : 1,184,256,041.40 = 512,404,712.40 : x
  2. Step 2: Convert to fraction form
    789,504,027.60/1,184,256,041.40 = 512,404,712.40/x
  3. Step 3: Cross multiply
    789,504,027.60x = 1,184,256,041.40 × 512,404,712.40
  4. Step 4: Simplify right side
    789,504,027.60x = 606,818,376,301,529,472
  5. Step 5: Solve for x
    x = 606,818,376,301,529,472/789,504,027.60
  6. Step 6: Final answer
    x = 768,607,068.60

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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.