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Finding the Fourth Proportional to 545,258,406,860.86, 817,887,610,291.30 and 545,258,406,860.86

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Solution

The fourth proportional to 545,258,406,860.86, 817,887,610,291.30 and 545,258,406,860.86 is: 817,887,610,291.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,258,406,860.86 : 817,887,610,291.30 = 545,258,406,860.86 : x
  2. Step 2: Convert to fraction form
    545,258,406,860.86/817,887,610,291.30 = 545,258,406,860.86/x
  3. Step 3: Cross multiply
    545,258,406,860.86x = 817,887,610,291.30 × 545,258,406,860.86
  4. Step 4: Simplify right side
    545,258,406,860.86x = 445,960,095,378,670,207,631,360
  5. Step 5: Solve for x
    x = 445,960,095,378,670,207,631,360/545,258,406,860.86
  6. Step 6: Final answer
    x = 817,887,610,291.30

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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.