Home / 1,294,880,423.20-1,942,320,634.80-900,338,624.80

Finding the Fourth Proportional to 1,294,880,423.20, 1,942,320,634.80 and 900,338,624.80

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Solution

The fourth proportional to 1,294,880,423.20, 1,942,320,634.80 and 900,338,624.80 is: 1,350,507,937.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,880,423.20 : 1,942,320,634.80 = 900,338,624.80 : x
  2. Step 2: Convert to fraction form
    1,294,880,423.20/1,942,320,634.80 = 900,338,624.80/x
  3. Step 3: Cross multiply
    1,294,880,423.20x = 1,942,320,634.80 × 900,338,624.80
  4. Step 4: Simplify right side
    1,294,880,423.20x = 1,748,746,289,256,494,848
  5. Step 5: Solve for x
    x = 1,748,746,289,256,494,848/1,294,880,423.20
  6. Step 6: Final answer
    x = 1,350,507,937.20

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Double scale
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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.