Home / 346,688,104.52-478,459,851.54-190,085,478.76

Finding the Fourth Proportional to 346,688,104.52, 478,459,851.54 and 190,085,478.76

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Solution

The fourth proportional to 346,688,104.52, 478,459,851.54 and 190,085,478.76 is: 262,334,555.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,688,104.52 : 478,459,851.54 = 190,085,478.76 : x
  2. Step 2: Convert to fraction form
    346,688,104.52/478,459,851.54 = 190,085,478.76/x
  3. Step 3: Cross multiply
    346,688,104.52x = 478,459,851.54 × 190,085,478.76
  4. Step 4: Simplify right side
    346,688,104.52x = 90,948,269,947,419,424
  5. Step 5: Solve for x
    x = 90,948,269,947,419,424/346,688,104.52
  6. Step 6: Final answer
    x = 262,334,555.94

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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.