Home / 521,520,772,567.35-782,281,158,851.02-506,827,491,799.35

Finding the Fourth Proportional to 521,520,772,567.35, 782,281,158,851.02 and 506,827,491,799.35

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Solution

The fourth proportional to 521,520,772,567.35, 782,281,158,851.02 and 506,827,491,799.35 is: 760,241,237,699.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,520,772,567.35 : 782,281,158,851.02 = 506,827,491,799.35 : x
  2. Step 2: Convert to fraction form
    521,520,772,567.35/782,281,158,851.02 = 506,827,491,799.35/x
  3. Step 3: Cross multiply
    521,520,772,567.35x = 782,281,158,851.02 × 506,827,491,799.35
  4. Step 4: Simplify right side
    521,520,772,567.35x = 396,481,597,622,351,342,600,192
  5. Step 5: Solve for x
    x = 396,481,597,622,351,342,600,192/521,520,772,567.35
  6. Step 6: Final answer
    x = 760,241,237,699.02

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Double scale
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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.