Home / 1,260,107,588.80-1,889,594,512.80-483,495,140.80

Finding the Fourth Proportional to 1,260,107,588.80, 1,889,594,512.80 and 483,495,140.80

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Solution

The fourth proportional to 1,260,107,588.80, 1,889,594,512.80 and 483,495,140.80 is: 725,025,206.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,107,588.80 : 1,889,594,512.80 = 483,495,140.80 : x
  2. Step 2: Convert to fraction form
    1,260,107,588.80/1,889,594,512.80 = 483,495,140.80/x
  3. Step 3: Cross multiply
    1,260,107,588.80x = 1,889,594,512.80 × 483,495,140.80
  4. Step 4: Simplify right side
    1,260,107,588.80x = 913,609,765,021,143,424
  5. Step 5: Solve for x
    x = 913,609,765,021,143,424/1,260,107,588.80
  6. Step 6: Final answer
    x = 725,025,206.69

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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.