Home / 436,739,688,003.40-655,109,532,005.10-357,395,971,856.20

Finding the Fourth Proportional to 436,739,688,003.40, 655,109,532,005.10 and 357,395,971,856.20

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Solution

The fourth proportional to 436,739,688,003.40, 655,109,532,005.10 and 357,395,971,856.20 is: 536,093,957,784.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,739,688,003.40 : 655,109,532,005.10 = 357,395,971,856.20 : x
  2. Step 2: Convert to fraction form
    436,739,688,003.40/655,109,532,005.10 = 357,395,971,856.20/x
  3. Step 3: Cross multiply
    436,739,688,003.40x = 655,109,532,005.10 × 357,395,971,856.20
  4. Step 4: Simplify right side
    436,739,688,003.40x = 234,133,507,863,223,056,990,208
  5. Step 5: Solve for x
    x = 234,133,507,863,223,056,990,208/436,739,688,003.40
  6. Step 6: Final answer
    x = 536,093,957,784.30

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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.