Home / 1,492,992,001.20-2,239,488,001.80-837,269,914.80

Finding the Fourth Proportional to 1,492,992,001.20, 2,239,488,001.80 and 837,269,914.80

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Solution

The fourth proportional to 1,492,992,001.20, 2,239,488,001.80 and 837,269,914.80 is: 1,255,904,872.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492,992,001.20 : 2,239,488,001.80 = 837,269,914.80 : x
  2. Step 2: Convert to fraction form
    1,492,992,001.20/2,239,488,001.80 = 837,269,914.80/x
  3. Step 3: Cross multiply
    1,492,992,001.20x = 2,239,488,001.80 × 837,269,914.80
  4. Step 4: Simplify right side
    1,492,992,001.20x = 1,875,055,928,462,708,224
  5. Step 5: Solve for x
    x = 1,875,055,928,462,708,224/1,492,992,001.20
  6. Step 6: Final answer
    x = 1,255,904,872.20

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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.