Home / 265,721,269.80-398,581,904.70-223,394,946.60

Finding the Fourth Proportional to 265,721,269.80, 398,581,904.70 and 223,394,946.60

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Solution

The fourth proportional to 265,721,269.80, 398,581,904.70 and 223,394,946.60 is: 335,092,419.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,721,269.80 : 398,581,904.70 = 223,394,946.60 : x
  2. Step 2: Convert to fraction form
    265,721,269.80/398,581,904.70 = 223,394,946.60/x
  3. Step 3: Cross multiply
    265,721,269.80x = 398,581,904.70 × 223,394,946.60
  4. Step 4: Simplify right side
    265,721,269.80x = 89,041,183,316,182,784
  5. Step 5: Solve for x
    x = 89,041,183,316,182,784/265,721,269.80
  6. Step 6: Final answer
    x = 335,092,419.90

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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.