Home / 651,454,171.83-899,012,775.42-354,097,113.57

Finding the Fourth Proportional to 651,454,171.83, 899,012,775.42 and 354,097,113.57

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Solution

The fourth proportional to 651,454,171.83, 899,012,775.42 and 354,097,113.57 is: 488,657,287.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,454,171.83 : 899,012,775.42 = 354,097,113.57 : x
  2. Step 2: Convert to fraction form
    651,454,171.83/899,012,775.42 = 354,097,113.57/x
  3. Step 3: Cross multiply
    651,454,171.83x = 899,012,775.42 × 354,097,113.57
  4. Step 4: Simplify right side
    651,454,171.83x = 318,337,828,838,776,640
  5. Step 5: Solve for x
    x = 318,337,828,838,776,640/651,454,171.83
  6. Step 6: Final answer
    x = 488,657,287.96

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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.