Home / 1,180,478,606.95-1,771,101,026.66-351,439,420.47

Finding the Fourth Proportional to 1,180,478,606.95, 1,771,101,026.66 and 351,439,420.47

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Solution

The fourth proportional to 1,180,478,606.95, 1,771,101,026.66 and 351,439,420.47 is: 527,273,187.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,478,606.95 : 1,771,101,026.66 = 351,439,420.47 : x
  2. Step 2: Convert to fraction form
    1,180,478,606.95/1,771,101,026.66 = 351,439,420.47/x
  3. Step 3: Cross multiply
    1,180,478,606.95x = 1,771,101,026.66 × 351,439,420.47
  4. Step 4: Simplify right side
    1,180,478,606.95x = 622,434,718,403,212,544
  5. Step 5: Solve for x
    x = 622,434,718,403,212,544/1,180,478,606.95
  6. Step 6: Final answer
    x = 527,273,187.96

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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.