Home / 18,118,136,402,861-25,003,027,279,603-9,784,622,294,463

Finding the Fourth Proportional to 18,118,136,402,861, 25,003,027,279,603 and 9,784,622,294,463

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Solution

The fourth proportional to 18,118,136,402,861, 25,003,027,279,603 and 9,784,622,294,463 is: 13,502,778,249,888.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,118,136,402,861 : 25,003,027,279,603 = 9,784,622,294,463 : x
  2. Step 2: Convert to fraction form
    18,118,136,402,861/25,003,027,279,603 = 9,784,622,294,463/x
  3. Step 3: Cross multiply
    18,118,136,402,861x = 25,003,027,279,603 × 9,784,622,294,463
  4. Step 4: Simplify right side
    18,118,136,402,861x = 244,645,178,149,070,095,339,487,232
  5. Step 5: Solve for x
    x = 244,645,178,149,070,095,339,487,232/18,118,136,402,861
  6. Step 6: Final answer
    x = 13,502,778,249,888.80

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Double scale
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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.