Home / 762,500,423.20-1,143,750,634.80-530,048,129.80

Finding the Fourth Proportional to 762,500,423.20, 1,143,750,634.80 and 530,048,129.80

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Solution

The fourth proportional to 762,500,423.20, 1,143,750,634.80 and 530,048,129.80 is: 795,072,194.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,500,423.20 : 1,143,750,634.80 = 530,048,129.80 : x
  2. Step 2: Convert to fraction form
    762,500,423.20/1,143,750,634.80 = 530,048,129.80/x
  3. Step 3: Cross multiply
    762,500,423.20x = 1,143,750,634.80 × 530,048,129.80
  4. Step 4: Simplify right side
    762,500,423.20x = 606,242,884,933,302,784
  5. Step 5: Solve for x
    x = 606,242,884,933,302,784/762,500,423.20
  6. Step 6: Final answer
    x = 795,072,194.70

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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.