Home / 12,389,530,685,690-17,097,605,501,138-6,758,180,316,489

Finding the Fourth Proportional to 12,389,530,685,690, 17,097,605,501,138 and 6,758,180,316,489

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Solution

The fourth proportional to 12,389,530,685,690, 17,097,605,501,138 and 6,758,180,316,489 is: 9,326,317,831,420.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,389,530,685,690 : 17,097,605,501,138 = 6,758,180,316,489 : x
  2. Step 2: Convert to fraction form
    12,389,530,685,690/17,097,605,501,138 = 6,758,180,316,489/x
  3. Step 3: Cross multiply
    12,389,530,685,690x = 17,097,605,501,138 × 6,758,180,316,489
  4. Step 4: Simplify right side
    12,389,530,685,690x = 115,548,700,956,884,879,559,098,368
  5. Step 5: Solve for x
    x = 115,548,700,956,884,879,559,098,368/12,389,530,685,690
  6. Step 6: Final answer
    x = 9,326,317,831,420.73

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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.