Home / 409,539,269.60-614,308,904.40-398,201,861.60

Finding the Fourth Proportional to 409,539,269.60, 614,308,904.40 and 398,201,861.60

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Solution

The fourth proportional to 409,539,269.60, 614,308,904.40 and 398,201,861.60 is: 597,302,792.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,539,269.60 : 614,308,904.40 = 398,201,861.60 : x
  2. Step 2: Convert to fraction form
    409,539,269.60/614,308,904.40 = 398,201,861.60/x
  3. Step 3: Cross multiply
    409,539,269.60x = 614,308,904.40 × 398,201,861.60
  4. Step 4: Simplify right side
    409,539,269.60x = 244,618,949,329,536,448
  5. Step 5: Solve for x
    x = 244,618,949,329,536,448/409,539,269.60
  6. Step 6: Final answer
    x = 597,302,792.40

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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.