Home / 346,688,091.39-478,459,833.43-190,085,465.60

Finding the Fourth Proportional to 346,688,091.39, 478,459,833.43 and 190,085,465.60

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Solution

The fourth proportional to 346,688,091.39, 478,459,833.43 and 190,085,465.60 is: 262,334,537.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,688,091.39 : 478,459,833.43 = 190,085,465.60 : x
  2. Step 2: Convert to fraction form
    346,688,091.39/478,459,833.43 = 190,085,465.60/x
  3. Step 3: Cross multiply
    346,688,091.39x = 478,459,833.43 × 190,085,465.60
  4. Step 4: Simplify right side
    346,688,091.39x = 90,948,260,210,800,864
  5. Step 5: Solve for x
    x = 90,948,260,210,800,864/346,688,091.39
  6. Step 6: Final answer
    x = 262,334,537.78

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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.