Home / 521,520,771,843.10-782,281,157,764.65-506,827,491,075.10

Finding the Fourth Proportional to 521,520,771,843.10, 782,281,157,764.65 and 506,827,491,075.10

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Solution

The fourth proportional to 521,520,771,843.10, 782,281,157,764.65 and 506,827,491,075.10 is: 760,241,236,612.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,520,771,843.10 : 782,281,157,764.65 = 506,827,491,075.10 : x
  2. Step 2: Convert to fraction form
    521,520,771,843.10/782,281,157,764.65 = 506,827,491,075.10/x
  3. Step 3: Cross multiply
    521,520,771,843.10x = 782,281,157,764.65 × 506,827,491,075.10
  4. Step 4: Simplify right side
    521,520,771,843.10x = 396,481,596,505,182,030,528,512
  5. Step 5: Solve for x
    x = 396,481,596,505,182,030,528,512/521,520,771,843.10
  6. Step 6: Final answer
    x = 760,241,236,612.65

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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.