Home / 537,253,039.80-805,879,559.70-173,784,137.40

Finding the Fourth Proportional to 537,253,039.80, 805,879,559.70 and 173,784,137.40

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Solution

The fourth proportional to 537,253,039.80, 805,879,559.70 and 173,784,137.40 is: 260,676,206.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,253,039.80 : 805,879,559.70 = 173,784,137.40 : x
  2. Step 2: Convert to fraction form
    537,253,039.80/805,879,559.70 = 173,784,137.40/x
  3. Step 3: Cross multiply
    537,253,039.80x = 805,879,559.70 × 173,784,137.40
  4. Step 4: Simplify right side
    537,253,039.80x = 140,049,084,130,756,320
  5. Step 5: Solve for x
    x = 140,049,084,130,756,320/537,253,039.80
  6. Step 6: Final answer
    x = 260,676,206.10

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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.