Home / 866,053,822.20-1,299,080,733.30-406,038,492.60

Finding the Fourth Proportional to 866,053,822.20, 1,299,080,733.30 and 406,038,492.60

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Solution

The fourth proportional to 866,053,822.20, 1,299,080,733.30 and 406,038,492.60 is: 609,057,738.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,053,822.20 : 1,299,080,733.30 = 406,038,492.60 : x
  2. Step 2: Convert to fraction form
    866,053,822.20/1,299,080,733.30 = 406,038,492.60/x
  3. Step 3: Cross multiply
    866,053,822.20x = 1,299,080,733.30 × 406,038,492.60
  4. Step 4: Simplify right side
    866,053,822.20x = 527,476,782,714,834,624
  5. Step 5: Solve for x
    x = 527,476,782,714,834,624/866,053,822.20
  6. Step 6: Final answer
    x = 609,057,738.90

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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.