Home / 419,256,389.64-578,616,870.24-252,046,783.92

Finding the Fourth Proportional to 419,256,389.64, 578,616,870.24 and 252,046,783.92

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Solution

The fourth proportional to 419,256,389.64, 578,616,870.24 and 252,046,783.92 is: 347,850,443.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,256,389.64 : 578,616,870.24 = 252,046,783.92 : x
  2. Step 2: Convert to fraction form
    419,256,389.64/578,616,870.24 = 252,046,783.92/x
  3. Step 3: Cross multiply
    419,256,389.64x = 578,616,870.24 × 252,046,783.92
  4. Step 4: Simplify right side
    419,256,389.64x = 145,838,521,265,847,968
  5. Step 5: Solve for x
    x = 145,838,521,265,847,968/419,256,389.64
  6. Step 6: Final answer
    x = 347,850,443.95

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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.