Home / 1,347,521,078.40-2,021,281,617.60-823,732,828.80

Finding the Fourth Proportional to 1,347,521,078.40, 2,021,281,617.60 and 823,732,828.80

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Solution

The fourth proportional to 1,347,521,078.40, 2,021,281,617.60 and 823,732,828.80 is: 1,235,599,243.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,521,078.40 : 2,021,281,617.60 = 823,732,828.80 : x
  2. Step 2: Convert to fraction form
    1,347,521,078.40/2,021,281,617.60 = 823,732,828.80/x
  3. Step 3: Cross multiply
    1,347,521,078.40x = 2,021,281,617.60 × 823,732,828.80
  4. Step 4: Simplify right side
    1,347,521,078.40x = 1,664,996,024,667,087,616
  5. Step 5: Solve for x
    x = 1,664,996,024,667,087,616/1,347,521,078.40
  6. Step 6: Final answer
    x = 1,235,599,243.20

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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.