Home / 1,890,130,456.20-2,834,345,378.70-725,211,784.20

Finding the Fourth Proportional to 1,890,130,456.20, 2,834,345,378.70 and 725,211,784.20

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Solution

The fourth proportional to 1,890,130,456.20, 2,834,345,378.70 and 725,211,784.20 is: 1,087,491,428.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890,130,456.20 : 2,834,345,378.70 = 725,211,784.20 : x
  2. Step 2: Convert to fraction form
    1,890,130,456.20/2,834,345,378.70 = 725,211,784.20/x
  3. Step 3: Cross multiply
    1,890,130,456.20x = 2,834,345,378.70 × 725,211,784.20
  4. Step 4: Simplify right side
    1,890,130,456.20x = 2,055,500,669,126,051,584
  5. Step 5: Solve for x
    x = 2,055,500,669,126,051,584/1,890,130,456.20
  6. Step 6: Final answer
    x = 1,087,491,428.11

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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.