Home / 539,795,143.40-809,692,715.10-335,721,799.40

Finding the Fourth Proportional to 539,795,143.40, 809,692,715.10 and 335,721,799.40

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Solution

The fourth proportional to 539,795,143.40, 809,692,715.10 and 335,721,799.40 is: 503,582,699.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,795,143.40 : 809,692,715.10 = 335,721,799.40 : x
  2. Step 2: Convert to fraction form
    539,795,143.40/809,692,715.10 = 335,721,799.40/x
  3. Step 3: Cross multiply
    539,795,143.40x = 809,692,715.10 × 335,721,799.40
  4. Step 4: Simplify right side
    539,795,143.40x = 271,831,495,274,443,552
  5. Step 5: Solve for x
    x = 271,831,495,274,443,552/539,795,143.40
  6. Step 6: Final answer
    x = 503,582,699.10

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Double scale
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Similar ratio
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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.