Home / 651,454,199.54-899,012,813.72-354,097,141.41

Finding the Fourth Proportional to 651,454,199.54, 899,012,813.72 and 354,097,141.41

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Solution

The fourth proportional to 651,454,199.54, 899,012,813.72 and 354,097,141.41 is: 488,657,326.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,454,199.54 : 899,012,813.72 = 354,097,141.41 : x
  2. Step 2: Convert to fraction form
    651,454,199.54/899,012,813.72 = 354,097,141.41/x
  3. Step 3: Cross multiply
    651,454,199.54x = 899,012,813.72 × 354,097,141.41
  4. Step 4: Simplify right side
    651,454,199.54x = 318,337,867,427,442,368
  5. Step 5: Solve for x
    x = 318,337,867,427,442,368/651,454,199.54
  6. Step 6: Final answer
    x = 488,657,326.42

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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.