Home / 537,253,109.80-805,879,664.70-173,784,207.40

Finding the Fourth Proportional to 537,253,109.80, 805,879,664.70 and 173,784,207.40

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Solution

The fourth proportional to 537,253,109.80, 805,879,664.70 and 173,784,207.40 is: 260,676,311.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,253,109.80 : 805,879,664.70 = 173,784,207.40 : x
  2. Step 2: Convert to fraction form
    537,253,109.80/805,879,664.70 = 173,784,207.40/x
  3. Step 3: Cross multiply
    537,253,109.80x = 805,879,664.70 × 173,784,207.40
  4. Step 4: Simplify right side
    537,253,109.80x = 140,049,158,789,667,264
  5. Step 5: Solve for x
    x = 140,049,158,789,667,264/537,253,109.80
  6. Step 6: Final answer
    x = 260,676,311.10

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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.