Home / 1,180,478,607.95-1,771,101,028.16-351,439,421.47

Finding the Fourth Proportional to 1,180,478,607.95, 1,771,101,028.16 and 351,439,421.47

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Solution

The fourth proportional to 1,180,478,607.95, 1,771,101,028.16 and 351,439,421.47 is: 527,273,189.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,478,607.95 : 1,771,101,028.16 = 351,439,421.47 : x
  2. Step 2: Convert to fraction form
    1,180,478,607.95/1,771,101,028.16 = 351,439,421.47/x
  3. Step 3: Cross multiply
    1,180,478,607.95x = 1,771,101,028.16 × 351,439,421.47
  4. Step 4: Simplify right side
    1,180,478,607.95x = 622,434,720,701,472,640
  5. Step 5: Solve for x
    x = 622,434,720,701,472,640/1,180,478,607.95
  6. Step 6: Final answer
    x = 527,273,189.46

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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.