Home / 12,184,539,200.25-16,812,146,150.67-7,034,497,428.03

Finding the Fourth Proportional to 12,184,539,200.25, 16,812,146,150.67 and 7,034,497,428.03

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Solution

The fourth proportional to 12,184,539,200.25, 16,812,146,150.67 and 7,034,497,428.03 is: 9,706,152,765.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,184,539,200.25 : 16,812,146,150.67 = 7,034,497,428.03 : x
  2. Step 2: Convert to fraction form
    12,184,539,200.25/16,812,146,150.67 = 7,034,497,428.03/x
  3. Step 3: Cross multiply
    12,184,539,200.25x = 16,812,146,150.67 × 7,034,497,428.03
  4. Step 4: Simplify right side
    12,184,539,200.25x = 118,264,998,856,552,579,072
  5. Step 5: Solve for x
    x = 118,264,998,856,552,579,072/12,184,539,200.25
  6. Step 6: Final answer
    x = 9,706,152,765.64

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Double scale
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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.