Home / 537,235,812.80-805,853,719.20-173,766,910.40

Finding the Fourth Proportional to 537,235,812.80, 805,853,719.20 and 173,766,910.40

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Solution

The fourth proportional to 537,235,812.80, 805,853,719.20 and 173,766,910.40 is: 260,650,365.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,235,812.80 : 805,853,719.20 = 173,766,910.40 : x
  2. Step 2: Convert to fraction form
    537,235,812.80/805,853,719.20 = 173,766,910.40/x
  3. Step 3: Cross multiply
    537,235,812.80x = 805,853,719.20 × 173,766,910.40
  4. Step 4: Simplify right side
    537,235,812.80x = 140,030,711,019,733,168
  5. Step 5: Solve for x
    x = 140,030,711,019,733,168/537,235,812.80
  6. Step 6: Final answer
    x = 260,650,365.60

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Double scale
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Similar ratio
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1.5x scale

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.