Home / 537,253,136.80-805,879,705.20-173,784,234.40

Finding the Fourth Proportional to 537,253,136.80, 805,879,705.20 and 173,784,234.40

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Solution

The fourth proportional to 537,253,136.80, 805,879,705.20 and 173,784,234.40 is: 260,676,351.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,253,136.80 : 805,879,705.20 = 173,784,234.40 : x
  2. Step 2: Convert to fraction form
    537,253,136.80/805,879,705.20 = 173,784,234.40/x
  3. Step 3: Cross multiply
    537,253,136.80x = 805,879,705.20 × 173,784,234.40
  4. Step 4: Simplify right side
    537,253,136.80x = 140,049,187,586,679,712
  5. Step 5: Solve for x
    x = 140,049,187,586,679,712/537,253,136.80
  6. Step 6: Final answer
    x = 260,676,351.60

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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.