Home / 380,438,035.60-570,477,162.99-147,377,906.59

Finding the Fourth Proportional to 380,438,035.60, 570,477,162.99 and 147,377,906.59

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Solution

The fourth proportional to 380,438,035.60, 570,477,162.99 and 147,377,906.59 is: 220,997,172.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,438,035.60 : 570,477,162.99 = 147,377,906.59 : x
  2. Step 2: Convert to fraction form
    380,438,035.60/570,477,162.99 = 147,377,906.59/x
  3. Step 3: Cross multiply
    380,438,035.60x = 570,477,162.99 × 147,377,906.59
  4. Step 4: Simplify right side
    380,438,035.60x = 84,075,730,038,868,432
  5. Step 5: Solve for x
    x = 84,075,730,038,868,432/380,438,035.60
  6. Step 6: Final answer
    x = 220,997,172.13

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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.