Home / 628,694,706,887.20-943,042,060,330.80-345,604,164,090.40

Finding the Fourth Proportional to 628,694,706,887.20, 943,042,060,330.80 and 345,604,164,090.40

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Solution

The fourth proportional to 628,694,706,887.20, 943,042,060,330.80 and 345,604,164,090.40 is: 518,406,246,135.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,694,706,887.20 : 943,042,060,330.80 = 345,604,164,090.40 : x
  2. Step 2: Convert to fraction form
    628,694,706,887.20/943,042,060,330.80 = 345,604,164,090.40/x
  3. Step 3: Cross multiply
    628,694,706,887.20x = 943,042,060,330.80 × 345,604,164,090.40
  4. Step 4: Simplify right side
    628,694,706,887.20x = 325,919,262,962,714,767,523,840
  5. Step 5: Solve for x
    x = 325,919,262,962,714,767,523,840/628,694,706,887.20
  6. Step 6: Final answer
    x = 518,406,246,135.60

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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.