Home / 383,841,266,130.88-529,717,598,018.20-212,563,197,620.40

Finding the Fourth Proportional to 383,841,266,130.88, 529,717,598,018.20 and 212,563,197,620.40

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Solution

The fourth proportional to 383,841,266,130.88, 529,717,598,018.20 and 212,563,197,620.40 is: 293,346,433,554.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,841,266,130.88 : 529,717,598,018.20 = 212,563,197,620.40 : x
  2. Step 2: Convert to fraction form
    383,841,266,130.88/529,717,598,018.20 = 212,563,197,620.40/x
  3. Step 3: Cross multiply
    383,841,266,130.88x = 529,717,598,018.20 × 212,563,197,620.40
  4. Step 4: Simplify right side
    383,841,266,130.88x = 112,598,466,470,546,249,875,456
  5. Step 5: Solve for x
    x = 112,598,466,470,546,249,875,456/383,841,266,130.88
  6. Step 6: Final answer
    x = 293,346,433,554.52

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1.5x scale

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.