Home / 418,131,635.32-627,196,328.70-155,810,214.46

Finding the Fourth Proportional to 418,131,635.32, 627,196,328.70 and 155,810,214.46

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Solution

The fourth proportional to 418,131,635.32, 627,196,328.70 and 155,810,214.46 is: 233,714,902.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,131,635.32 : 627,196,328.70 = 155,810,214.46 : x
  2. Step 2: Convert to fraction form
    418,131,635.32/627,196,328.70 = 155,810,214.46/x
  3. Step 3: Cross multiply
    418,131,635.32x = 627,196,328.70 × 155,810,214.46
  4. Step 4: Simplify right side
    418,131,635.32x = 97,723,594,483,271,664
  5. Step 5: Solve for x
    x = 97,723,594,483,271,664/418,131,635.32
  6. Step 6: Final answer
    x = 233,714,902.74

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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.