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Finding the Fourth Proportional to 907,291,209.95, 1,360,936,814.93 and 907,291,209.95

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Solution

The fourth proportional to 907,291,209.95, 1,360,936,814.93 and 907,291,209.95 is: 1,360,936,814.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,291,209.95 : 1,360,936,814.93 = 907,291,209.95 : x
  2. Step 2: Convert to fraction form
    907,291,209.95/1,360,936,814.93 = 907,291,209.95/x
  3. Step 3: Cross multiply
    907,291,209.95x = 1,360,936,814.93 × 907,291,209.95
  4. Step 4: Simplify right side
    907,291,209.95x = 1,234,766,009,483,339,008
  5. Step 5: Solve for x
    x = 1,234,766,009,483,339,008/907,291,209.95
  6. Step 6: Final answer
    x = 1,360,936,814.93

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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.