Home / 403,726,272.60-605,872,844.10-173,860,325.40

Finding the Fourth Proportional to 403,726,272.60, 605,872,844.10 and 173,860,325.40

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Solution

The fourth proportional to 403,726,272.60, 605,872,844.10 and 173,860,325.40 is: 260,912,546.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,726,272.60 : 605,872,844.10 = 173,860,325.40 : x
  2. Step 2: Convert to fraction form
    403,726,272.60/605,872,844.10 = 173,860,325.40/x
  3. Step 3: Cross multiply
    403,726,272.60x = 605,872,844.10 × 173,860,325.40
  4. Step 4: Simplify right side
    403,726,272.60x = 105,337,249,826,249,472
  5. Step 5: Solve for x
    x = 105,337,249,826,249,472/403,726,272.60
  6. Step 6: Final answer
    x = 260,912,546.38

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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.