Home / 390,373,315.60-584,426,232.60-379,035,907.60

Finding the Fourth Proportional to 390,373,315.60, 584,426,232.60 and 379,035,907.60

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Solution

The fourth proportional to 390,373,315.60, 584,426,232.60 and 379,035,907.60 is: 567,453,047.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    390,373,315.60 : 584,426,232.60 = 379,035,907.60 : x
  2. Step 2: Convert to fraction form
    390,373,315.60/584,426,232.60 = 379,035,907.60/x
  3. Step 3: Cross multiply
    390,373,315.60x = 584,426,232.60 × 379,035,907.60
  4. Step 4: Simplify right side
    390,373,315.60x = 221,518,527,498,789,728
  5. Step 5: Solve for x
    x = 221,518,527,498,789,728/390,373,315.60
  6. Step 6: Final answer
    x = 567,453,047.24

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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.