Home / 811,598,492.63-1,120,008,070.98-440,320,524

Finding the Fourth Proportional to 811,598,492.63, 1,120,008,070.98 and 440,320,524

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Solution

The fourth proportional to 811,598,492.63, 1,120,008,070.98 and 440,320,524 is: 607,643,490.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,598,492.63 : 1,120,008,070.98 = 440,320,524 : x
  2. Step 2: Convert to fraction form
    811,598,492.63/1,120,008,070.98 = 440,320,524/x
  3. Step 3: Cross multiply
    811,598,492.63x = 1,120,008,070.98 × 440,320,524
  4. Step 4: Simplify right side
    811,598,492.63x = 493,162,540,698,142,784
  5. Step 5: Solve for x
    x = 493,162,540,698,142,784/811,598,492.63
  6. Step 6: Final answer
    x = 607,643,490.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.