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Finding the Fourth Proportional to 8,719,281,602.90, 13,078,922,404.35 and 8,719,281,602.90

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Solution

The fourth proportional to 8,719,281,602.90, 13,078,922,404.35 and 8,719,281,602.90 is: 13,078,922,404.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,719,281,602.90 : 13,078,922,404.35 = 8,719,281,602.90 : x
  2. Step 2: Convert to fraction form
    8,719,281,602.90/13,078,922,404.35 = 8,719,281,602.90/x
  3. Step 3: Cross multiply
    8,719,281,602.90x = 13,078,922,404.35 × 8,719,281,602.90
  4. Step 4: Simplify right side
    8,719,281,602.90x = 114,038,807,506,005,590,016
  5. Step 5: Solve for x
    x = 114,038,807,506,005,590,016/8,719,281,602.90
  6. Step 6: Final answer
    x = 13,078,922,404.35

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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.