Home / 1,492,780,381.20-2,240,178,341.40-973,946,998.80

Finding the Fourth Proportional to 1,492,780,381.20, 2,240,178,341.40 and 973,946,998.80

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Solution

The fourth proportional to 1,492,780,381.20, 2,240,178,341.40 and 973,946,998.80 is: 1,461,578,005.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492,780,381.20 : 2,240,178,341.40 = 973,946,998.80 : x
  2. Step 2: Convert to fraction form
    1,492,780,381.20/2,240,178,341.40 = 973,946,998.80/x
  3. Step 3: Cross multiply
    1,492,780,381.20x = 2,240,178,341.40 × 973,946,998.80
  4. Step 4: Simplify right side
    1,492,780,381.20x = 2,181,814,972,383,291,904
  5. Step 5: Solve for x
    x = 2,181,814,972,383,291,904/1,492,780,381.20
  6. Step 6: Final answer
    x = 1,461,578,005.62

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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.