Home / 390,373,314.60-584,426,231.10-379,035,906.60

Finding the Fourth Proportional to 390,373,314.60, 584,426,231.10 and 379,035,906.60

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Solution

The fourth proportional to 390,373,314.60, 584,426,231.10 and 379,035,906.60 is: 567,453,045.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    390,373,314.60 : 584,426,231.10 = 379,035,906.60 : x
  2. Step 2: Convert to fraction form
    390,373,314.60/584,426,231.10 = 379,035,906.60/x
  3. Step 3: Cross multiply
    390,373,314.60x = 584,426,231.10 × 379,035,906.60
  4. Step 4: Simplify right side
    390,373,314.60x = 221,518,526,345,809,632
  5. Step 5: Solve for x
    x = 221,518,526,345,809,632/390,373,314.60
  6. Step 6: Final answer
    x = 567,453,045.74

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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.